This advanced powerhouse oil serum, uses 10% Tetrahexyldecyl Ascorbate, an advanced, oil-soluble form of Vitamin C known for its exceptional stability, deep skin penetration, and superior antioxidant performance. Unlike traditional forms of Vitamin C, it remains potent over time and easily absorbs into the skin's lipid layers, where it is converted into active Vitamin C for maximum effectiveness. This form of vitamin c is non-irritating, non-acidic and non exfoliating. Contains a blend of squalane, rosehip, watermelon seed oil and jojoba oil to lock in moisture, strengthen skin barrier, improve elasticity and reduce redness.