The idea that retinol thins your skin likely comes from some of the short-term side effects it causes when you first start using it. During the initial adjustment phase, known as retinization, you may ...

Skin naturally becomes thinner over time. It may also occur if a person is applying topical corticosteroids. Retinol may help thicken skin for some people. Although it is not possible to prevent skin ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? As skin-care ingredients go, adapalene (like the popular over-the-counter ...