Altinac

Tretinoin, also known as all-trans retinoic acid (ATRA), is a medication used for the treatment of acne and acute promyelocytic leukemia.[5][6][7] For acne, it is applied to the skin as a cream, gel or ointment.[7] For leukemia, it is taken by mouth for up to three months.[5] Topical tretinoin is also the most extensively investigated retinoid therapy for photoaging.[8] Common side effects when use... [wikipedia]