SkinCeuticals Glycolic 10 Renew Overnight Cream is formulated with a free acid value of 10% glycolic acid, allowing it to work at a true 10% concentration proven optimal in promoting effective exfoliation and natural cell turnover. Free acid value refers to the true strength of a glycolic acid product, and is affected by both the concentration of acid and the pH of the formula. This potent night cream is synergistically blended with 2% phytic acid to promote skin clarity and brightness, and a triple action-soothing complex to help support the skin barrier. Proven tolerable for nightly use, Glycolic 10 Renew Overnight improves the appearance of skin texture and tone to promote a bright complexion and glowing skin. The ingredients include 10% Glycolic Free Acid Value: Derived from sugar cane, this powerful fruit acid helps stimulate skins natural exfoliation process and minimizes the buildup of dead skin cells, resulting improvement in the appearance of skin texture, tone, and a brighter complexion. 2% Phytic acid: Naturally present in legumes and seeds, this potent ingredient provides dual-action exfoliation and skin brightening effects. It helps to inhibit the impact of skin aggressors that can cause dullness, promoting skin clarity and glow. 1% Soothing complex: Featuring a combination of natural oils and botanicals, including jojoba and sunflower seed, this wax forms a protective, breathable layer on skin to help lock in hydration and provide comfort.