Ingredient guide

Niacinamide (vitamin B3): what it does and how to use it

Updated November 2026

Safety first: general cosmetic information, not medical advice. Patch-test new products and follow label directions. Pregnant, breastfeeding, using prescription skin treatment or managing a skin condition? Ask your doctor before trying new actives. Medical disclaimer
In short: A form of vitamin B3 that strengthens the skin barrier, regulates oil and calms redness. Best used morning or night. Top benefit: minimizes the look of pores.

A form of vitamin B3 that strengthens the skin barrier, regulates oil and calms redness. One of the most versatile, best-tolerated actives.

Best timeMorning or night
StrengthGentle
Good forMinimizes the look of pores

Benefits

Who it's for

Every skin type, especially oily, acne-prone and sensitive skin.

How to use it

Use morning, night or both. Apply after cleansing and before heavier creams. 2–5% is plenty for most people; 10% suits oily skin.

Watch out for

High concentrations can cause temporary flushing in a few people. Drop to a lower strength if that happens.

Best niacinamide products

Cleanser$
CeraVe Foaming Facial Cleanser

Lifts oil and sunscreen while niacinamide keeps skin calm.

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Cleanser$
CeraVe Acne Foaming Cream Cleanser

4% benzoyl peroxide helps clear breakouts while you wash.

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Serum$
The Ordinary Niacinamide 10% + Zinc 1%

Balances oil, minimizes the look of pores and fades marks.

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Moisturizer$
CeraVe PM Facial Moisturizing Lotion

Lightweight and oil-free, with niacinamide and ceramides.

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Sunscreen$
CeraVe Hydrating Mineral Sunscreen SPF 30

Mineral filters and ceramides, gentle on sensitive skin.

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Night treatment$
CeraVe Resurfacing Retinol Serum

Encapsulated retinol that gently fades post-acne marks.

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Night treatment$
Good Molecules Discoloration Correcting Serum

Tranexamic acid and niacinamide to fade dark spots without irritation.

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Night treatment$
Naturium Tranexamic Topical Acid 5%

Targets stubborn discoloration and post-acne marks.

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Cleanser$$
La Roche-Posay Toleriane Hydrating Gentle Cleanser

Prebiotic thermal-water formula that respects your skin barrier.

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Can you mix niacinamide with…

✅RetinolYes, a great pair✅Vitamin CYes, mix away✅AHAsYes, generally fine together✅Salicylic acidYes, generally fine together✅Benzoyl peroxideYes, generally fine together✅Hyaluronic acidYes, generally fine together✅Azelaic acidYes, a calming pair✅PeptidesYes, generally fine together✅CeramidesYes, generally fine together✅SunscreenYes, generally fine together✅Tranexamic acidYes, a brightening duo✅BakuchiolYes, generally fine together✅Centella (cica)Yes, generally fine together✅SqualaneYes, generally fine together

Routines that use niacinamide

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FAQ

What does niacinamide do for skin?

A form of vitamin B3 that strengthens the skin barrier, regulates oil and calms redness. One of the most versatile, best-tolerated actives.

When should I use niacinamide, morning or night?

Use morning, night or both. Apply after cleansing and before heavier creams. 2–5% is plenty for most people; 10% suits oily skin.

Who should use niacinamide?

Every skin type, especially oily, acne-prone and sensitive skin.

This page is general cosmetic information for educational purposes. It is not medical advice, diagnosis or treatment, and it doesn't replace a dermatologist or other qualified professional. Product formulas change, so always read the label. Full medical disclaimer.