An Exfoliating Serum: L'Oreal Paris Skincare 10% Pure Glycolic Acid Serum Revive your skin with the gentle yet effective L'Oreal Paris Skincare 10% Pure Glycolic Acid Serum ($31, originally $40). It can help diminish dark spots, dry skin and rough patches, and give your complexion a smoother and brighter appearance. Image Source: amazon.com L'Oreal Paris Skincare 10% Pure Glycolic Acid Serum $31 from amazon.com Buy Now