Why Vitamin A (Retinol, Retinal, Tretinoin) Still Reigns Supreme in Dermatology Ever wonder why so many skincare products promise glowing, youthful sk...
Vitamin A, particularly in its active form tretinoin, accelerates cell turnover and stimulates collagen production by binding to nuclear receptors tha...
Tretinoin and retinol are both forms of vitamin A, but differ in potency, formulation, and how they act on the skin. Tretinoin is pure retinoic acid—p...