A-Ret (Tretinoin 0.1%) Gel by Menarini is a topical medication used to treat acne vulgaris, melasma, and signs of photoaging such as fine lines and wrinkles. The active ingredient, Tretinoin, is a form of Vitamin A that helps regulate skin cell growth and turnover, preventing clogged pores and promoting the shedding of old skin cells. The product is an oil-free microsphere gel, particularly suitable for oily skin. It works by increasing skin cell turnover, clearing up pimples and blackheads, and reducing the spread of acne. Additionally, it helps treat sun-damaged skin by promoting the formation of new skin cells to replace damaged ones.