Our iconic, best-selling serum that started the Glass Skin movement. A powerful yet gentle blend of peach extract, niacinamide, East Asian mountain yam, and peptides visibly calms, brightens, plumps, and protects skin. Your complexion will look and feel hydrated, healthy, and glow like glass. Support clear, luminous skin with Glass Skin Refining Serum from Peach & Lily. *Before & after images from brand study results