Product Name: Tretinoin Other Name: Retinoic acidï¼?VITAMIN A ACID INCI Name: RETINOIC ACID Molecular Formula: C20H28O2 Molecular Weight: 300.44 Appearance: Yellow powder Purity: 98% CAS Number: 302-79-4 EINECS number: 206-129-0 Supplier: ZHENYIBIO Retinoic acid (Tretinoin) is a derivative of vitamin A.So it also been called Vitamin A acid(Retin-A).Retinoic Acid can be used on the skin (topical) to treat moderate to moderate acne, as well as on skin that has been damaged by excessive exposure to the sun.Tretinoin powder can be used for removing moderate acne,wrinkles and spots in the skin. Tretinoin may bring the following benefits:Reduce the appearance of fine lines and dark spots; Improve skin texture;Reduce the frequency and severity of acne outbreaks;Clean up existing acne.