NEW IN BOX The MUTHA Hyaluronic Serum is a super hydrating, skin barrier-loving serum meticulously crafted to restore suppleness, and radiance. Its lightweight, oil-free formula features four molecular weights of hyaluronic acid to hydrate the skin at multiple levels and help strengthen the skin barrier. Two types of grape stem cells help brighten and balance the complexion over time, while black tea ferments and probiotic ferments help to plump and soften.