This advanced serum from Hyphen features a dual-phase “double serum” formula combining an 18% Brightening Complex (with 11% Mandarin Extract, 5% Niacinamide, 2% Polyglutamic Acid) and a 20% Collagen Complex (with Bakuchiol, Rosehip Oil, Coco-Caprylate) to help reduce dark spots, boost collagen production, hydrate deeply, and improve skin tone for all skin types.