Regena S2 Pro is our new lightweight non-sticky Vitamin C serum formulated with 30% Ethyl Ascorbic Acid, to target dull and uneven skin, signs of ageing, inflammation and acne bacteria. Clinical studies have found Ethyl Ascorbic Acid, to brighten and even out skin tone, accelerate the synthesis of collagen, inhibit the formation of edema and acne bacteria. Ethyl Ascorbic Acid’s lipophilic and hydrophilic properties allow it to be easily absorbed by the skin, making it one of the most stable and efficient forms of ascorbic acid. This serum is anhydrous (water-free)