The unique Kerabionic complex normalises the pH levels of the skin's surface and brings the skin flora into balance. This serum stabilises the protective barrier and makes it more resistant. A composition of highly effective fruit acid and salicylic acid regulates the cornification process and loosens impurities, clarifying skin and activating skin renewal. The effect: Skin appears balanced, the complexion clarified and refined and lines and creases are smoothed.