Ingredient
Hyaluronic acid
A water-binding glycosaminoglycan used in topical moisturizers, injectable products and oral supplements—three very different evidence categories.
Archives: Ingredients
Ingredient
Ceramides
Skin-identical lipid families important to barrier structure and commonly used in moisturizers.
Ingredient
Salicylic acid
A beta-hydroxy acid used in cosmetic exfoliants and regulated acne products, with concentration- and jurisdiction-dependent requirements.
Ingredient
Niacinamide
A form of vitamin B3 used in skincare for barrier support, oil-related concerns and uneven appearance.
Ingredient
Retinoids
Vitamin A derivatives used in cosmetic and medical products, with meaningful differences in evidence, strength, regulation and irritation potential.