Glycolic 10 Renew Overnight improves the appearance of skin texture and tone for a brighter complexion and radiant skin. This scientifically developed glycolic acid cream has a free acid value of 10%, meaning it works at a true 10% concentration – optimal for promoting exfoliation and skin cell turnover. Synergistically blended with 2% phytic acid and a triple action comforting complex to help support the skin barrier, this glycolic acid night cream is suitable for nightly use.