Tretinoin, a retinoid derived from vitamin A, tackles multiple skin concerns. As a prescription cream or gel, it unclogs pores to fight acne and speeds up skin cell turnover, revealing brighter, smoother skin. This can minimize fine lines and wrinkles, and improve the appearance of sun damage like dark spots. However, tretinoin can initially cause dryness and irritation, and sun sensitivity is a big concern, so consistent sunscreen use is crucial tretinoin RETINOID SKIN.