Ingredient Encyclopedia

Welcome to the Ingredient Encyclopedia

Discover what’s inside your skincare — from retinol to aloe vera — with clear guides on benefits, uses, and safety.

All articles active aha alcohol-free alias allantoin almond aloe-vera alpha-arbutin am-routine anti-ageing antioxidant ascorbic-acid avocado azelaic-acid b5 bakuchiol barrier benzoyl-peroxide beta-glucan bha botanical castor castor oil centella ceramides cica cleanser coffee coffee seed oil comparison dry-skin egcg emollient ferment general gluconolactone glycerin glycolic-acid green-tea guide humectant hyaluronic-acid hydration ingredient k-beauty keratolytic kojic-acid lactic-acid licorice-root mandelic-acid matrixyl micellar water moisture niacinamide Nicotinamide panthenol peptides pha plant oil pm-routine preservative retinal retinol rice routine salicylic-acid sensitive skin sensitive-skin skincare squalane surfactant toner tranexamic-acid urea uv uv-filter vitamin-a vitamin-b3 vitamin-c witch hazel zinc-pca

Nicotinamide (Niacinamide) – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 11, 2025

Niacinamide (also called Nicotinamide) is a form of vitamin B3 that has become one of the most trusted ingredients in skincare. Dermatologists recommend it for its gentle yet powerful effects on improving skin barrier function, evening skin tone, and reducing irritation.

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