AHA Red Berry Alpha Arbutin Soap 100g. (Whitening + Reduce Acne, Scar Mark, Anti Aging) AHA Red Berry Alpha Arbutin Soap AHA Concentration of fruit berries. Exfoliate gently reduce acne clear skin control oily dry skin, dull skin, reduce hyperpigmentation. AHA Red Berry Alpha Arbutin Soap Immediacy of winter fruit white facial skin acne over your body. The main ingredients of AHA Red Berry Alpha Arbutin Soap How to use AHA Red Berry Alpha Arbutin Soap:. Smooth, velvety lather over face and body, leave for 5 minutes then rinse.