Composition: Retinoin USP...... 0.05% w/w. In a Gel base................q.s Product Description Retinol A - Retinol removes fine lines wrinkles and is a superior acne treatment. Retinol (renova) is the only topical product that has ever been FDA approved at being effective in treating the signs of aging. . Retin A is a derivative of vitamin A and you will see that a lot of skin care products contain retinol. Retinol's stronger counterpart is Retin A which is made from Retinoin which is the active ingredient in Retin-A Here's why the skin responds to skin care products with Retinol/Retin A: vitamin A has a molecular structure that's tiny enough to get into the lower layers of skin where it finds collagen and elastin. Retin A is proven to improve mottled pigmentation fine lines and wrinkles skin texture skin tone and color and your skin's hydration levels. How does it work? As you know many wrinkle creams claim to be effective but they don't really have any scientific reasoning or proof as to why they work. The same is often true with acne skin care products which claim to produce miraculous results but often have little to no clinical research to back them up. Fortunately Retinoin cream is different. It's not really a mystery in how it works. Basically it changes the rate at which the top layer of your skin sheds cells and replaces them a.k.a. the cell turnover rate. How long does it take to work? The first few weeks you are using it you will probably experience irritation. This may include flaking sensitivity Retinoin Gel is "Retin A" 0.05% Retinoin is the medium strength made. Mix this product with a good moisturizer. Caution: Exposure to Sunlight and UV light must be avoided, if unavoidable use Sunscreen lotion.