Lactic acid, 5% concentration, from The Ordinary, a Canadian company, which works to exfoliate the skin and get rid of dead cells without causing their contribution. The best thing provided by halonic acid, which works to moisturize the skin, give it freshness and softness, and exfoliates the skin cells to remove dead cells, improves the texture of the skin and gives it radiance without fine boundaries. For the skin. It unifies skin tone from pigmentation, moisturizes and softens the skin