Skin Functional - 0,2% Retinaldehyde SerumA powerful yet tolerable skin perfecting serum that improves skins surface as it treats signs of sun damage, uneven texture, wrinkles, and surface imperfections. More powerful activation of retinoid receptors in the skin with less irritation than Retinol. The Mix Of Ingredients Aqua, Butylene Glycol, Dimethyl Isosorbide, Sodium Hyaluronate Crosspolymer, Glycerin, Phospholipids, Ergothioneine, Caprylic Capric Triglycerides, Tremella Fuciformis