There's Hailey Bieber's $500K engagement ring, and then there's your skin after using the SkinCeuticals Glycolic 10 Renew Overnight Cream ($80). It contains a high concentration (as in, a whopping 10 percent) of exfoliating glycolic acid to boost cell turnover without disrupting your pH, which means it's the ideal treatment for someone after that bright, glowier-than-thou effect, but can't seem to shake the image of Samantha Jones after a chemical peel on Sex and the City.