MUTHA No.1 Serum❤️ The MUTHA No. 1 Serum is a clinically tested, do-it-all vitamin C serum that creates healthier skin with ingredients you can trust. Its advanced, potent formula features MUTHALOAD® Core Technology, which includes four molecular weights of hyaluronic acid, niacinamide, and rice kefiran. Their bio-fermented blend allows its clinically-proven, effective ingredients to be absorbed easily and enhance results. tetrahexyldecyl ascorbate (THD) — a stabilized form of Vitamin C shown to be 50x more effective than l-ascorbic acid — helps reduce pigmentation and increase collagen production. Hyaluronic acid and niacinamide work to hydrate, balance, and protect the skin barrier. LTKTravel LTKStyleTip LTKBeauty