SkinCeuticals Glycolic 10 Renew Overnight helps promote a more even and youthful appearance. Reveal a smoother. more radiant complexion with a potent overnight exfoliating formula designed to refine skin texture and enhance luminosity. Featuring a true 10% glycolic acid concentration. this advanced blend works while you sleep to promote gentle exfoliation. unveiling a refreshed appearance by morning. A carefully balanced pH ensures optimal performance. while a complementary 2% phytic acid helps support clarity and brightness. A soothing complex rounds out the formula to help maintain moisture and comfort. making it suitable for nightly use.