glow up serummade up of 20% vitamin c active complex, it contains l ascorbic acid, co q10, vitamins a&e. vitamin c is one of the number one skincare products for anti aging. main benefits increased collagen production brightens skin protects against damaging free radicals and harmful blue light improves absorption and penetration of other skincare products our medical grade glow up serum revitalizes skin and ensures you are getting the highest quality of vitamin c