Illuminate your skin with Sunday Riley CEO 15% Vitamin C Brightening Serum. Achieve a revitalized and radiant complexion with a serum that addresses dullness, dark spots, and signs of aging. The ultra-stable form of Vitamin C in this formula brightens the skin and improves firmness, promoting a vibrant, even-toned, and smooth appearance for a youthful glow. This advanced formula enhances skin texture and helps protect against external aggressors, reinforcing the skin’s natural defenses.