Powerful age defying serum containing Vitamin C to boost firmness and neutralize free radicals, this light weight serum also contains hyaluronic acid and Vitamin B5 to hydrate and soothe. • Magnesium ascorbyl phosphate appears to have the same potential as other forms of Vitamin C, to boost skin collagen synthesis, but is effective in significantly lower concentrations • Magnesium ascorbyl phosphate is converted to natural acid Vitamin C in the skin • Vitamin C is also a potent antioxidant Morning and evening after cleansing, mist and then apply several drops to fingertips and lightly tap into face and neck.