The 16 Best Vitamin C Serums and Treatments for a Winter Complexion Boost in 2022 Vanity Fair SKINN Cosmetics: 2 Best Selling Favorites DermAppeal Vitamin C Microdermabrasion Exfoliator + Lip6X Natural Collagen Building Lip Serum TikTok Shop Did you know? Our new Brightening Lip Serum is powered with VC IP (Ascorbyl Tetraisopalmitate), a Vitamin C derivative that's more stable, penetrates deeper, and helps brighten lips without irritation. Not 9 Best Vitamin C Serums for Brighter, More Even Skin in 2025 SELF The 13 Best Vitamin C Serums of 2024, According to Experts Best Vitamin C serum for your skin type 2022 as tried and tested by our beauty team GoodtoKnow