Niacinamide 10% + Zinc 1%
A high-strength vitamin and mineral blemish formula featuring 10% pure niacinamide (Vitamin B3) and 1% zinc PCA to visibly reduce the appearance of pores, control excess sebum, and improve overall skin radiance and texture.
✨ Texture & Feel
Pore Minimizing
High-concentration niacinamide visibly reduces the appearance of enlarged pores over time with consistent use.
Oil Control
Zinc PCA helps regulate excess sebum production, reducing visible shine throughout the day.
Skin Brightening
Improves overall skin radiance and helps fade post-acne marks and uneven skin tone.
Barrier Support
Strengthens the skin's moisture barrier, improving resilience against environmental stressors.
🛡️ Safety & Compatibility
Niacinamide (Vitamin B3) is considered safe for topical use during pregnancy and breastfeeding. No harmful ingredients present.
Free from fatty acids, oils, esters, polysorbates, and ferments that feed Malassezia yeast. Zinc may help inhibit fungal growth.
Rating 0/5. Oil-free, lightweight formula will not clog pores. Suitable for acne-prone skin.
Do not use with pure Vitamin C (L-Ascorbic Acid) or Ethylated L-Ascorbic Acid in the same routine. Use at alternate times.
10% niacinamide is a high concentration. Some users may experience initial flushing or irritation. Patch test before full application.
Can be safely used alongside retinol and retinoids. Niacinamide may help reduce irritation from retinol use.
🔬 Ingredient Breakdown
💊 Niacinamide (Vitamin B3) 10% Proven
A multitasking powerhouse that addresses multiple skin concerns. Works by increasing ceramide production, regulating sebum, and inhibiting melanin transfer to reduce hyperpigmentation.
- Clinical Evidence: Studies show 2-5% niacinamide effectively reduces sebum and improves skin texture; 10% provides enhanced results.
- Mechanism: Converts to NAD+ in skin cells, supporting cellular energy, DNA repair, and collagen production.
- Benefits: Pore minimizing, oil control, brightening, anti-aging, barrier strengthening.
⚡ Zinc PCA 1% Proven
A synergistic combination of zinc and pyrrolidone carboxylic acid (PCA). Zinc regulates sebum while PCA provides hydration as a natural moisturizing factor (NMF).
- Clinical Evidence: In-vivo studies show 1% Zinc PCA significantly reduces sebum production after 28 days of application.
- Antimicrobial: In-vitro studies demonstrate strong antibacterial activity against P. acnes bacteria.
- Anti-aging Potential: Research suggests it may support Type I collagen production.
🌿 Tamarindus Indica Seed Gum Supporting
A natural polysaccharide from tamarind seeds that provides film-forming and moisturizing properties while creating a smooth serum texture.
- Function: Viscosity controller, emulsion stabilizer, and skin conditioner.
- Benefit: Creates a protective film that helps retain moisture without greasiness.
11 ingredients
Aqua (Water), Niacinamide, Pentylene Glycol, Zinc PCA, Dimethyl Isosorbide, Tamarindus Indica Seed Gum, Xanthan Gum, Isoceteth-20, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin
🔄 Where It Fits in Your Routine
Apply after water-based toners and before heavier creams. Use AM and PM for best results.
📝 How to Use
Cleanse Your Face
Start with clean, dry skin. Pat face dry after cleansing.
Apply a Few Drops
Dispense 2-3 drops onto fingertips or directly onto face. A little goes a long way.
Gently Pat Into Skin
Spread evenly across face and neck, patting gently until absorbed. Avoid eye area.
Follow With Moisturizer
Once absorbed (30 seconds), apply your moisturizer. In AM, finish with sunscreen.
👤 Who Is It For?
✅ Perfect for you if:
- You have oily or combination skin
- You struggle with enlarged pores
- You want to control excess sebum
- You have blemish-prone or acne-prone skin
- You want to fade post-acne marks
- You need a budget-friendly active serum
- You have fungal acne (malassezia)
- You are pregnant or breastfeeding
❌ Consider alternatives if:
- You have very dry or dehydrated skin (may need additional hydration)
- Your skin is sensitive to high-concentration niacinamide
- You experience flushing from niacinamide products
- You want to use pure Vitamin C in the same routine
- You prefer a more hydrating, richer serum texture
🎯 Skin Type Compatibility
This product was designed for oily skin. Zinc PCA effectively regulates sebum production and the lightweight formula absorbs quickly without adding shine.
Perfect for balancing the T-zone while not over-drying other areas. Can be applied all over or targeted to oily zones.
Non-comedogenic, fungal-acne safe formula. Helps reduce congestion, heal blemishes faster, and fade post-acne marks.
Provides brightening and pore-refining benefits. Works well as a general maintenance serum for healthy skin.
May not provide enough hydration on its own. Best layered under a rich moisturizer or mixed with hydrating serums.
10% niacinamide is a high concentration. Some sensitive skin types may experience initial flushing. Patch test first and consider lower concentrations.
📈 Results Timeline
Improved Skin Radiance
Skin appears brighter and more luminous. Texture starts to feel smoother. Some users notice immediate mattifying effect.
85% noticed improvementReduced Oiliness & Congestion
Visible reduction in excess sebum production. Fewer new breakouts and reduced appearance of existing blemishes.
78% noticed improvementMinimized Pores & Even Tone
Pores appear visibly smaller and cleaner. Post-acne marks begin to fade. Overall skin texture is noticeably refined.
72% noticed improvementLong-Term Transformation
Significant improvement in hyperpigmentation. Strengthened skin barrier. Consistent, clearer complexion with balanced oil production.
68% noticed improvement⭐ Ratings by Platform
⚖️ Pros & Cons
✅ Praised
- Extremely affordable for the quality
- Effectively controls oil and reduces shine
- Visibly minimizes pores over time
- Fades post-acne marks and hyperpigmentation
- Simple, no-fuss ingredient list
- Vegan, cruelty-free, and fragrance-free
- Safe for pregnancy and fungal acne
- A little goes a long way
❌ Criticized
- Can feel sticky or tacky, especially if too much applied
- 10% concentration may irritate sensitive skin
- Some users experience initial purging
- Not hydrating enough for dry skin types
- Dropper packaging can be messy
- May pill under certain products
- Cannot use with pure Vitamin C in same routine
💰 Budget-Friendly Alternatives (Dupes)
Also contains 10% niacinamide plus 1% hyaluronic acid for added hydration. Slightly thicker, more hydrating texture. Includes squalane for moisture.
Contains 10% niacinamide in a lightweight, elegant formula. More watery texture that absorbs faster. No zinc but equally effective for brightening.
K-beauty alternative with 10% niacinamide, zinc, licorice root, aloe, and hyaluronic acid. More hydrating formula with additional brightening ingredients.
Higher concentration (12% niacinamide, 2% zinc) with added hyaluronic acid. More luxurious feel but may be too strong for sensitive skin.
🔄 Comparison with Competitors
The Ordinary Niacinamide 10% + Zinc 1%
$6.00Paula's Choice 10% Niacinamide Booster
$44.00COSRX The Niacinamide 15 Serum
$24.00The Inkey List Niacinamide Serum
$7.99📦 Storage & Shelf Life
12 months after opening
Store in a cool, dry place away from direct sunlight. Room temperature is fine; refrigeration optional but not required.
Glass bottle with dropper applicator. Frosted glass helps protect from light degradation.
Yes, 30ml is under 100ml TSA liquid limit. Glass bottle may require careful packing.
❓ Frequently Asked Questions
Yes, this product is considered safe during pregnancy and breastfeeding. Niacinamide (Vitamin B3) is a water-soluble vitamin that has been extensively studied and is not associated with any risks when used topically. The formula contains no retinoids, salicylic acid, hydroquinone, or other ingredients that should be avoided during pregnancy. However, always consult with your healthcare provider before adding new products to your routine during pregnancy.
Yes, this serum is fungal acne safe. The formula is free from fatty acids, oils, esters, polysorbates, and fermented ingredients that can feed Malassezia yeast. Additionally, both niacinamide and zinc have shown some antimicrobial properties that may actually help manage fungal acne. Many people with malassezia folliculitis use this product successfully as part of their routine.
Retinol: Yes! Niacinamide pairs excellently with retinol and may help reduce irritation from retinoid use. Vitamin C: The Ordinary recommends NOT using this with pure Vitamin C (L-Ascorbic Acid or Ethylated L-Ascorbic Acid) in the same routine as niacinamide can affect its integrity. Use them at alternate times (Vitamin C in PM, Niacinamide in AM). AHA/BHA: Yes, but wait 15-30 minutes between applying direct acids and niacinamide for maximum effectiveness.
This serum is best suited for oily, combination, and acne-prone skin types. The zinc PCA specifically targets excess sebum production, while niacinamide helps minimize pores and control shine. Those with normal skin can also benefit from its brightening and pore-refining effects. Dry and sensitive skin types may find it less suitable as the 10% concentration can be strong, and the formula doesn't provide significant hydration.
Results vary by individual, but most users report: Week 1: Improved radiance and immediate mattifying effect. Weeks 2-4: Noticeable reduction in oiliness and fewer breakouts. Weeks 4-8: Visible pore minimization and fading of post-acne marks. Weeks 8-12: Significant improvement in overall skin texture and hyperpigmentation. Consistent twice-daily use yields best results.
Apply this serum after cleansing and toning, but before heavier creams and oils. The general rule is to apply products from thinnest to thickest consistency. Routine order: Cleanser → Toner → This Serum → Other serums/treatments → Moisturizer → Sunscreen (AM only). Use in both morning and evening for optimal results.
No, this product is non-comedogenic with a comedogenic rating of 0/5. The oil-free, silicone-free formula is specifically designed not to clog pores. In fact, niacinamide and zinc work together to help clear existing congestion and prevent future breakouts. The brand has confirmed the product is non-comedogenic in clinical studies of 35 subjects applying the product twice daily for 8 weeks.
The Period After Opening (PAO) is 12 months. Once opened, use within 12 months for optimal efficacy. Unopened products have a shelf life of approximately 3 years when stored properly at room temperature away from direct sunlight. Write the opening date on the bottle to track usage. If you notice any changes in color, smell, or texture, discontinue use.
Verdict: The Ordinary Niacinamide 10% + Zinc 1% remains the gold standard for budget-friendly niacinamide serums. Its simple, effective formula delivers real results for oily and acne-prone skin without breaking the bank. While the high concentration may not suit everyone (sensitive skin types should patch test), its unbeatable price-to-performance ratio makes it a must-try for anyone dealing with enlarged pores, excess oil, or post-acne hyperpigmentation. A cult-favorite for good reason.
Niacinamide 10% + Zinc 1%
A high-strength vitamin and mineral blemish formula featuring 10% pure niacinamide (Vitamin B3) and 1% zinc PCA to visibly reduce the appearance of pores, control excess sebum, and improve overall skin radiance and texture.
✨ Texture & Feel
Pore Minimizing
High-concentration niacinamide visibly reduces the appearance of enlarged pores over time with consistent use.
Oil Control
Zinc PCA helps regulate excess sebum production, reducing visible shine throughout the day.
Skin Brightening
Improves overall skin radiance and helps fade post-acne marks and uneven skin tone.
Barrier Support
Strengthens the skin's moisture barrier, improving resilience against environmental stressors.
🛡️ Safety & Compatibility
Niacinamide (Vitamin B3) is considered safe for topical use during pregnancy and breastfeeding. No harmful ingredients present.
Free from fatty acids, oils, esters, polysorbates, and ferments that feed Malassezia yeast. Zinc may help inhibit fungal growth.
Rating 0/5. Oil-free, lightweight formula will not clog pores. Suitable for acne-prone skin.
Do not use with pure Vitamin C (L-Ascorbic Acid) or Ethylated L-Ascorbic Acid in the same routine. Use at alternate times.
10% niacinamide is a high concentration. Some users may experience initial flushing or irritation. Patch test before full application.
Can be safely used alongside retinol and retinoids. Niacinamide may help reduce irritation from retinol use.
🔬 Ingredient Breakdown
💊 Niacinamide (Vitamin B3) 10% Proven
A multitasking powerhouse that addresses multiple skin concerns. Works by increasing ceramide production, regulating sebum, and inhibiting melanin transfer to reduce hyperpigmentation.
- Clinical Evidence: Studies show 2-5% niacinamide effectively reduces sebum and improves skin texture; 10% provides enhanced results.
- Mechanism: Converts to NAD+ in skin cells, supporting cellular energy, DNA repair, and collagen production.
- Benefits: Pore minimizing, oil control, brightening, anti-aging, barrier strengthening.
⚡ Zinc PCA 1% Proven
A synergistic combination of zinc and pyrrolidone carboxylic acid (PCA). Zinc regulates sebum while PCA provides hydration as a natural moisturizing factor (NMF).
- Clinical Evidence: In-vivo studies show 1% Zinc PCA significantly reduces sebum production after 28 days of application.
- Antimicrobial: In-vitro studies demonstrate strong antibacterial activity against P. acnes bacteria.
- Anti-aging Potential: Research suggests it may support Type I collagen production.
🌿 Tamarindus Indica Seed Gum Supporting
A natural polysaccharide from tamarind seeds that provides film-forming and moisturizing properties while creating a smooth serum texture.
- Function: Viscosity controller, emulsion stabilizer, and skin conditioner.
- Benefit: Creates a protective film that helps retain moisture without greasiness.
11 ingredients
Aqua (Water), Niacinamide, Pentylene Glycol, Zinc PCA, Dimethyl Isosorbide, Tamarindus Indica Seed Gum, Xanthan Gum, Isoceteth-20, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin
🔄 Where It Fits in Your Routine
Apply after water-based toners and before heavier creams. Use AM and PM for best results.
📝 How to Use
Cleanse Your Face
Start with clean, dry skin. Pat face dry after cleansing.
Apply a Few Drops
Dispense 2-3 drops onto fingertips or directly onto face. A little goes a long way.
Gently Pat Into Skin
Spread evenly across face and neck, patting gently until absorbed. Avoid eye area.
Follow With Moisturizer
Once absorbed (30 seconds), apply your moisturizer. In AM, finish with sunscreen.
👤 Who Is It For?
✅ Perfect for you if:
- You have oily or combination skin
- You struggle with enlarged pores
- You want to control excess sebum
- You have blemish-prone or acne-prone skin
- You want to fade post-acne marks
- You need a budget-friendly active serum
- You have fungal acne (malassezia)
- You are pregnant or breastfeeding
❌ Consider alternatives if:
- You have very dry or dehydrated skin (may need additional hydration)
- Your skin is sensitive to high-concentration niacinamide
- You experience flushing from niacinamide products
- You want to use pure Vitamin C in the same routine
- You prefer a more hydrating, richer serum texture
🎯 Skin Type Compatibility
This product was designed for oily skin. Zinc PCA effectively regulates sebum production and the lightweight formula absorbs quickly without adding shine.
Perfect for balancing the T-zone while not over-drying other areas. Can be applied all over or targeted to oily zones.
Non-comedogenic, fungal-acne safe formula. Helps reduce congestion, heal blemishes faster, and fade post-acne marks.
Provides brightening and pore-refining benefits. Works well as a general maintenance serum for healthy skin.
May not provide enough hydration on its own. Best layered under a rich moisturizer or mixed with hydrating serums.
10% niacinamide is a high concentration. Some sensitive skin types may experience initial flushing. Patch test first and consider lower concentrations.
📈 Results Timeline
Improved Skin Radiance
Skin appears brighter and more luminous. Texture starts to feel smoother. Some users notice immediate mattifying effect.
85% noticed improvementReduced Oiliness & Congestion
Visible reduction in excess sebum production. Fewer new breakouts and reduced appearance of existing blemishes.
78% noticed improvementMinimized Pores & Even Tone
Pores appear visibly smaller and cleaner. Post-acne marks begin to fade. Overall skin texture is noticeably refined.
72% noticed improvementLong-Term Transformation
Significant improvement in hyperpigmentation. Strengthened skin barrier. Consistent, clearer complexion with balanced oil production.
68% noticed improvement⭐ Ratings by Platform
⚖️ Pros & Cons
✅ Praised
- Extremely affordable for the quality
- Effectively controls oil and reduces shine
- Visibly minimizes pores over time
- Fades post-acne marks and hyperpigmentation
- Simple, no-fuss ingredient list
- Vegan, cruelty-free, and fragrance-free
- Safe for pregnancy and fungal acne
- A little goes a long way
❌ Criticized
- Can feel sticky or tacky, especially if too much applied
- 10% concentration may irritate sensitive skin
- Some users experience initial purging
- Not hydrating enough for dry skin types
- Dropper packaging can be messy
- May pill under certain products
- Cannot use with pure Vitamin C in same routine
💰 Budget-Friendly Alternatives (Dupes)
Also contains 10% niacinamide plus 1% hyaluronic acid for added hydration. Slightly thicker, more hydrating texture. Includes squalane for moisture.
Contains 10% niacinamide in a lightweight, elegant formula. More watery texture that absorbs faster. No zinc but equally effective for brightening.
K-beauty alternative with 10% niacinamide, zinc, licorice root, aloe, and hyaluronic acid. More hydrating formula with additional brightening ingredients.
Higher concentration (12% niacinamide, 2% zinc) with added hyaluronic acid. More luxurious feel but may be too strong for sensitive skin.
🔄 Comparison with Competitors
The Ordinary Niacinamide 10% + Zinc 1%
$6.00Paula's Choice 10% Niacinamide Booster
$44.00COSRX The Niacinamide 15 Serum
$24.00The Inkey List Niacinamide Serum
$7.99📦 Storage & Shelf Life
12 months after opening
Store in a cool, dry place away from direct sunlight. Room temperature is fine; refrigeration optional but not required.
Glass bottle with dropper applicator. Frosted glass helps protect from light degradation.
Yes, 30ml is under 100ml TSA liquid limit. Glass bottle may require careful packing.
❓ Frequently Asked Questions
Yes, this product is considered safe during pregnancy and breastfeeding. Niacinamide (Vitamin B3) is a water-soluble vitamin that has been extensively studied and is not associated with any risks when used topically. The formula contains no retinoids, salicylic acid, hydroquinone, or other ingredients that should be avoided during pregnancy. However, always consult with your healthcare provider before adding new products to your routine during pregnancy.
Yes, this serum is fungal acne safe. The formula is free from fatty acids, oils, esters, polysorbates, and fermented ingredients that can feed Malassezia yeast. Additionally, both niacinamide and zinc have shown some antimicrobial properties that may actually help manage fungal acne. Many people with malassezia folliculitis use this product successfully as part of their routine.
Retinol: Yes! Niacinamide pairs excellently with retinol and may help reduce irritation from retinoid use. Vitamin C: The Ordinary recommends NOT using this with pure Vitamin C (L-Ascorbic Acid or Ethylated L-Ascorbic Acid) in the same routine as niacinamide can affect its integrity. Use them at alternate times (Vitamin C in PM, Niacinamide in AM). AHA/BHA: Yes, but wait 15-30 minutes between applying direct acids and niacinamide for maximum effectiveness.
This serum is best suited for oily, combination, and acne-prone skin types. The zinc PCA specifically targets excess sebum production, while niacinamide helps minimize pores and control shine. Those with normal skin can also benefit from its brightening and pore-refining effects. Dry and sensitive skin types may find it less suitable as the 10% concentration can be strong, and the formula doesn't provide significant hydration.
Results vary by individual, but most users report: Week 1: Improved radiance and immediate mattifying effect. Weeks 2-4: Noticeable reduction in oiliness and fewer breakouts. Weeks 4-8: Visible pore minimization and fading of post-acne marks. Weeks 8-12: Significant improvement in overall skin texture and hyperpigmentation. Consistent twice-daily use yields best results.
Apply this serum after cleansing and toning, but before heavier creams and oils. The general rule is to apply products from thinnest to thickest consistency. Routine order: Cleanser → Toner → This Serum → Other serums/treatments → Moisturizer → Sunscreen (AM only). Use in both morning and evening for optimal results.
No, this product is non-comedogenic with a comedogenic rating of 0/5. The oil-free, silicone-free formula is specifically designed not to clog pores. In fact, niacinamide and zinc work together to help clear existing congestion and prevent future breakouts. The brand has confirmed the product is non-comedogenic in clinical studies of 35 subjects applying the product twice daily for 8 weeks.
The Period After Opening (PAO) is 12 months. Once opened, use within 12 months for optimal efficacy. Unopened products have a shelf life of approximately 3 years when stored properly at room temperature away from direct sunlight. Write the opening date on the bottle to track usage. If you notice any changes in color, smell, or texture, discontinue use.
Verdict: The Ordinary Niacinamide 10% + Zinc 1% remains the gold standard for budget-friendly niacinamide serums. Its simple, effective formula delivers real results for oily and acne-prone skin without breaking the bank. While the high concentration may not suit everyone (sensitive skin types should patch test), its unbeatable price-to-performance ratio makes it a must-try for anyone dealing with enlarged pores, excess oil, or post-acne hyperpigmentation. A cult-favorite for good reason.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
A high-strength vitamin and mineral blemish formula featuring 10% pure niacinamide (Vitamin B3) and 1% zinc PCA to visibly reduce the appearance of pores, control excess sebum, and improve overall skin radiance and texture.
✨ Texture & Feel
Pore Minimizing
High-concentration niacinamide visibly reduces the appearance of enlarged pores over time with consistent use.
Oil Control
Zinc PCA helps regulate excess sebum production, reducing visible shine throughout the day.
Skin Brightening
Improves overall skin radiance and helps fade post-acne marks and uneven skin tone.
Barrier Support
Strengthens the skin's moisture barrier, improving resilience against environmental stressors.
🛡️ Safety & Compatibility
Niacinamide (Vitamin B3) is considered safe for topical use during pregnancy and breastfeeding. No harmful ingredients present.
Free from fatty acids, oils, esters, polysorbates, and ferments that feed Malassezia yeast. Zinc may help inhibit fungal growth.
Rating 0/5. Oil-free, lightweight formula will not clog pores. Suitable for acne-prone skin.
Do not use with pure Vitamin C (L-Ascorbic Acid) or Ethylated L-Ascorbic Acid in the same routine. Use at alternate times.
10% niacinamide is a high concentration. Some users may experience initial flushing or irritation. Patch test before full application.
Can be safely used alongside retinol and retinoids. Niacinamide may help reduce irritation from retinol use.
🔬 Ingredient Breakdown
💊 Niacinamide (Vitamin B3) 10% Proven
A multitasking powerhouse that addresses multiple skin concerns. Works by increasing ceramide production, regulating sebum, and inhibiting melanin transfer to reduce hyperpigmentation.
- Clinical Evidence: Studies show 2-5% niacinamide effectively reduces sebum and improves skin texture; 10% provides enhanced results.
- Mechanism: Converts to NAD+ in skin cells, supporting cellular energy, DNA repair, and collagen production.
- Benefits: Pore minimizing, oil control, brightening, anti-aging, barrier strengthening.
⚡ Zinc PCA 1% Proven
A synergistic combination of zinc and pyrrolidone carboxylic acid (PCA). Zinc regulates sebum while PCA provides hydration as a natural moisturizing factor (NMF).
- Clinical Evidence: In-vivo studies show 1% Zinc PCA significantly reduces sebum production after 28 days of application.
- Antimicrobial: In-vitro studies demonstrate strong antibacterial activity against P. acnes bacteria.
- Anti-aging Potential: Research suggests it may support Type I collagen production.
🌿 Tamarindus Indica Seed Gum Supporting
A natural polysaccharide from tamarind seeds that provides film-forming and moisturizing properties while creating a smooth serum texture.
- Function: Viscosity controller, emulsion stabilizer, and skin conditioner.
- Benefit: Creates a protective film that helps retain moisture without greasiness.
11 ingredients
Aqua (Water), Niacinamide, Pentylene Glycol, Zinc PCA, Dimethyl Isosorbide, Tamarindus Indica Seed Gum, Xanthan Gum, Isoceteth-20, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin
🔄 Where It Fits in Your Routine
Apply after water-based toners and before heavier creams. Use AM and PM for best results.
📝 How to Use
Cleanse Your Face
Start with clean, dry skin. Pat face dry after cleansing.
Apply a Few Drops
Dispense 2-3 drops onto fingertips or directly onto face. A little goes a long way.
Gently Pat Into Skin
Spread evenly across face and neck, patting gently until absorbed. Avoid eye area.
Follow With Moisturizer
Once absorbed (30 seconds), apply your moisturizer. In AM, finish with sunscreen.
👤 Who Is It For?
✅ Perfect for you if:
- You have oily or combination skin
- You struggle with enlarged pores
- You want to control excess sebum
- You have blemish-prone or acne-prone skin
- You want to fade post-acne marks
- You need a budget-friendly active serum
- You have fungal acne (malassezia)
- You are pregnant or breastfeeding
❌ Consider alternatives if:
- You have very dry or dehydrated skin (may need additional hydration)
- Your skin is sensitive to high-concentration niacinamide
- You experience flushing from niacinamide products
- You want to use pure Vitamin C in the same routine
- You prefer a more hydrating, richer serum texture
🎯 Skin Type Compatibility
This product was designed for oily skin. Zinc PCA effectively regulates sebum production and the lightweight formula absorbs quickly without adding shine.
Perfect for balancing the T-zone while not over-drying other areas. Can be applied all over or targeted to oily zones.
Non-comedogenic, fungal-acne safe formula. Helps reduce congestion, heal blemishes faster, and fade post-acne marks.
Provides brightening and pore-refining benefits. Works well as a general maintenance serum for healthy skin.
May not provide enough hydration on its own. Best layered under a rich moisturizer or mixed with hydrating serums.
10% niacinamide is a high concentration. Some sensitive skin types may experience initial flushing. Patch test first and consider lower concentrations.
📈 Results Timeline
Improved Skin Radiance
Skin appears brighter and more luminous. Texture starts to feel smoother. Some users notice immediate mattifying effect.
85% noticed improvementReduced Oiliness & Congestion
Visible reduction in excess sebum production. Fewer new breakouts and reduced appearance of existing blemishes.
78% noticed improvementMinimized Pores & Even Tone
Pores appear visibly smaller and cleaner. Post-acne marks begin to fade. Overall skin texture is noticeably refined.
72% noticed improvementLong-Term Transformation
Significant improvement in hyperpigmentation. Strengthened skin barrier. Consistent, clearer complexion with balanced oil production.
68% noticed improvement⭐ Ratings by Platform
⚖️ Pros & Cons
✅ Praised
- Extremely affordable for the quality
- Effectively controls oil and reduces shine
- Visibly minimizes pores over time
- Fades post-acne marks and hyperpigmentation
- Simple, no-fuss ingredient list
- Vegan, cruelty-free, and fragrance-free
- Safe for pregnancy and fungal acne
- A little goes a long way
❌ Criticized
- Can feel sticky or tacky, especially if too much applied
- 10% concentration may irritate sensitive skin
- Some users experience initial purging
- Not hydrating enough for dry skin types
- Dropper packaging can be messy
- May pill under certain products
- Cannot use with pure Vitamin C in same routine
💰 Budget-Friendly Alternatives (Dupes)
Also contains 10% niacinamide plus 1% hyaluronic acid for added hydration. Slightly thicker, more hydrating texture. Includes squalane for moisture.
Contains 10% niacinamide in a lightweight, elegant formula. More watery texture that absorbs faster. No zinc but equally effective for brightening.
K-beauty alternative with 10% niacinamide, zinc, licorice root, aloe, and hyaluronic acid. More hydrating formula with additional brightening ingredients.
Higher concentration (12% niacinamide, 2% zinc) with added hyaluronic acid. More luxurious feel but may be too strong for sensitive skin.
🔄 Comparison with Competitors
The Ordinary Niacinamide 10% + Zinc 1%
$6.00Paula's Choice 10% Niacinamide Booster
$44.00COSRX The Niacinamide 15 Serum
$24.00The Inkey List Niacinamide Serum
$7.99📦 Storage & Shelf Life
12 months after opening
Store in a cool, dry place away from direct sunlight. Room temperature is fine; refrigeration optional but not required.
Glass bottle with dropper applicator. Frosted glass helps protect from light degradation.
Yes, 30ml is under 100ml TSA liquid limit. Glass bottle may require careful packing.
❓ Frequently Asked Questions
Yes, this product is considered safe during pregnancy and breastfeeding. Niacinamide (Vitamin B3) is a water-soluble vitamin that has been extensively studied and is not associated with any risks when used topically. The formula contains no retinoids, salicylic acid, hydroquinone, or other ingredients that should be avoided during pregnancy. However, always consult with your healthcare provider before adding new products to your routine during pregnancy.
Yes, this serum is fungal acne safe. The formula is free from fatty acids, oils, esters, polysorbates, and fermented ingredients that can feed Malassezia yeast. Additionally, both niacinamide and zinc have shown some antimicrobial properties that may actually help manage fungal acne. Many people with malassezia folliculitis use this product successfully as part of their routine.
Retinol: Yes! Niacinamide pairs excellently with retinol and may help reduce irritation from retinoid use. Vitamin C: The Ordinary recommends NOT using this with pure Vitamin C (L-Ascorbic Acid or Ethylated L-Ascorbic Acid) in the same routine as niacinamide can affect its integrity. Use them at alternate times (Vitamin C in PM, Niacinamide in AM). AHA/BHA: Yes, but wait 15-30 minutes between applying direct acids and niacinamide for maximum effectiveness.
This serum is best suited for oily, combination, and acne-prone skin types. The zinc PCA specifically targets excess sebum production, while niacinamide helps minimize pores and control shine. Those with normal skin can also benefit from its brightening and pore-refining effects. Dry and sensitive skin types may find it less suitable as the 10% concentration can be strong, and the formula doesn't provide significant hydration.
Results vary by individual, but most users report: Week 1: Improved radiance and immediate mattifying effect. Weeks 2-4: Noticeable reduction in oiliness and fewer breakouts. Weeks 4-8: Visible pore minimization and fading of post-acne marks. Weeks 8-12: Significant improvement in overall skin texture and hyperpigmentation. Consistent twice-daily use yields best results.
Apply this serum after cleansing and toning, but before heavier creams and oils. The general rule is to apply products from thinnest to thickest consistency. Routine order: Cleanser → Toner → This Serum → Other serums/treatments → Moisturizer → Sunscreen (AM only). Use in both morning and evening for optimal results.
No, this product is non-comedogenic with a comedogenic rating of 0/5. The oil-free, silicone-free formula is specifically designed not to clog pores. In fact, niacinamide and zinc work together to help clear existing congestion and prevent future breakouts. The brand has confirmed the product is non-comedogenic in clinical studies of 35 subjects applying the product twice daily for 8 weeks.
The Period After Opening (PAO) is 12 months. Once opened, use within 12 months for optimal efficacy. Unopened products have a shelf life of approximately 3 years when stored properly at room temperature away from direct sunlight. Write the opening date on the bottle to track usage. If you notice any changes in color, smell, or texture, discontinue use.
Verdict: The Ordinary Niacinamide 10% + Zinc 1% remains the gold standard for budget-friendly niacinamide serums. Its simple, effective formula delivers real results for oily and acne-prone skin without breaking the bank. While the high concentration may not suit everyone (sensitive skin types should patch test), its unbeatable price-to-performance ratio makes it a must-try for anyone dealing with enlarged pores, excess oil, or post-acne hyperpigmentation. A cult-favorite for good reason.
