Vitamin A - retinol, retinoids, beta-carotene

The term "vitamin A" includes several compounds, m.in retinol, its derivatives (retinoids) and provitamin A, or beta-carotene. These compounds are involved in the process of vision, are responsible for the proper functioning of cell membranes and the condition of the skin. Retinoids, m.in isotretinoin or adapalene, are considered one of the most effective anti-acne drugs.