While you sleep, banish dry, dull skin and restore beauty. Dermatologist and allergy tested, this potent 10% glycolic acid serum yields optimal results with only one usage. An advanced combination of salicylic, lactic, glycolic, and phytocetic acids helps to remove dead skin cells and expose radiant, new skin. formulated with apple and blueberry extracts, which are antioxidants, to soften and heal skin damaged by the sun. This 3X AHA/BHA night serum promotes collagen formation and healthy regeneration while quickly eliminating the appearance of uneven texture. Strong enough to provide immediate effects, yet mild enough for regular use. this recipe is completely free of parabens and fragrances. Ingredients: Water (Aqua), Glycolic Acid, Sodium Hydroxide, Pyrus Malus (Apple) Fruit Extract, Glycerin, Ethoxydiglycol,PEG-12 Dimethicone, Phytic Acid, Salicylic Acid, Lactic Acid, Tocopheryl Acetate, Punica Granatum Extract, Camellia Sinensis Leaf Extract, Vaccinium Angustifolium (Blueberry) Fruit Extract, Xanthan Gum, Phenoxyethanol, Caprylyl Glycol, Ethylhexylglycerin, Hexylene Glycol How to use: Apply to clean, dry skin at night, being careful around the eyes. Before going to bed, layer under your preferred night cream or moisturizer. Note that you can experience a minor tingling, especially in the initial applications. Usually, this goes away as your skin becomes used to it. Take it gradually at first. Once your skin can handle it, use this serum more frequently—every other night, if possible. To achieve a more mild effect, you can also combine this serum with your preferred face oil.