What is Tretinoin? Also known as all-trans retinoic acid, is a derivative of vitamin A. It belongs to a class of compounds called retinoids, which are renowned for their skin-rejuvenating properties. It is available in prescription strength and is commonly used to treat acne, reduce signs of aging, and improve overall skin texture and tone. How Does Tretinoin Work? It works by spee... https://worldclasstretinoin.com/shop/a-ret-0-025-gel-tretinoin-0025/