UNITONE® 4 reveal serum is a concentrated serum formulated with a revealing complex of 4 ingredients. MAIN INGREDIENTS PROPERTIES • LICORICE EXTRACT, ASCORBIC ACID and α-ARBUTINt: slows down the melanogenesis through the attenuation of the tyrosinase’s action • CITRIC ACID: exfoliates gently the preformed melanin from the skin’s surface