Vitamin C serums are a powerful way to brighten, firm, and even out your complexion, and this selection covers everything from budget-friendly options to dermatologist-loved formulas. Each one is designed to boost radiance and deliver noticeable results. La Roche-Posay Pure Vitamin C Serum — $45 • Timeless Skin Care Vitamin C + E Ferulic Acid Serum — $73 • Sunday Riley C.E.O. 15% Vitamin C Brightening Serum — $85 • Olay Vitamin C + Peptide 24 Brightening Serum — $30 • Naturium Vitamin C Complex Serum — $21 • SkinCeuticals C E Ferulic — $185 LTKGiftGuide LTKBeauty