Niacinamide

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Beauty Science

A form of vitamin B3 (nicotinamide) used in skincare for its versatile benefits including strengthening the skin barrier, reducing inflammation, minimizing pores, evening skin tone, regulating sebum production, and improving skin texture, notable for its compatibility with most other active ingredients.

Deep Dive

Multifunctional Benefits

Niacinamide stands out among skincare actives for its remarkable versatility. It strengthens the ceramide-rich lipid barrier, reduces transepidermal water loss, inhibits melanin transfer to reduce hyperpigmentation, regulates sebum production, and demonstrates anti-inflammatory properties — all with minimal irritation risk.

Formulation Versatility

Niacinamide’s stability across a wide pH range and compatibility with most other actives makes it a formulator’s dream ingredient. It pairs well with retinoids (reducing retinoid-induced irritation), vitamin C (despite outdated myths about incompatibility), peptides, and chemical exfoliants.

Market Popularity

Niacinamide has experienced a surge in consumer awareness and product proliferation, driven by ‘skintellectual’ culture and social media education. Its gentle profile and broad benefits make it one of the few actives recommended for virtually every skin type and concern.

OSF Perspective

OSF views niacinamide as the quintessential smart skincare ingredient — its ability to address multiple concerns simultaneously with minimal risk makes it an essential component of effective, streamlined routines.

Related Terms

Active Ingredient  |  Skin Barrier  |  Hyaluronic Acid  |  AHA  |  BHA

Notable Brands

The Ordinary, Paula's Choice, CeraVe, Olay, La Roche-Posay