However, when you buy something through our retail links, Condé Nast may earn an affiliate commission.Retinol is the G.O.A.T. of skin-care ingredients, and the best retinol serums have the most potent ...
Sofie Pavitt is NYC's acne whisperer, and her award-winning mandelic acid serum is a must-try if you're dealing with clogged pores or acne. The Cosmo beauty team is collectively obsessed with how well ...