35% Vitamin C+ Perfecting Serum (formerly known as "Vitamin C 35% Collagen Rebuilding Serum") shields skin against pollution, stress and lack of sleep while creating a more refreshed appearance. What sets this Allies of Skin formula apart from the rest? Its waterless formulation and 35% vitamin C content deliver a more powerful dose of antioxidants to give you noticeable results. Key Ingredients: 25% Ethylated L-Ascorbic Acid: pure form of L-Ascorbic Acid that is extremely stable. Provides superior antioxidant protection, firms, strengthens skin barrier and visibly improves uneven skin tone 10% Tetrahexyldecyl Ascorbate: a stable oil-soluble form of vitamin C that penetrates deep into the skin to brighten and provide free radical protection Superoxide Dismutase: reduces inflammation quickly as well as helps to prevent wrinkles, fine lines, age spots, soften scar tissue and speed up cellular healing Glutathione: prevents free radical damage and repairs signs of premature aging. It has the added benefit of brightening skin too Key Benefits: Penetrates deep into the dermis/skin to provide superior antioxidant protection, to soften scar tissue and speed up cellular healing Offsets free radical damage and intensely brightens dark spots Stimulate collagen production, helps to prevent wrinkles, fine lines, age spots Speeds up cellular renewal for radiant, luminous skin