For retinoids to work in our skin, they have to be converted to retinoic acid, the active form of vitamin A that our skin cells directly connect with. The weaker the retinoid formula, the more steps ...

Retinol skincare products suddenly seem to be everywhere, promising clear, radiant and "youthful" skin. But what's the science behind these claims? And are there any risks? You may have also heard ...

There’s no denying that retinol has become synonymous with an effective skin care routine, whether you want to target acne, fine lines and wrinkles, texture, or hyperpigmentation. Dermatologists swear ...

When applied topically, retinol penetrates your skin, where it can speed up cell turnover and boost collagen production, Katta says. Research shows that topical retinol can improve fine lines, ...