Facial Cleansing Gel A-Derma Biology Ac 400 ml is a quality product designed for discerning individuals who look after their appearance & are looking for the best cosmetics to enhance their beauty. If you are one of them, the 100% original A-Derma products are made for you.. Type. Dermocosmetics. Parapharmacy. Characteristics: Natural ingredients. Gender: Unisex. Format: Dosage dispenser. Recommended use. Oily skin. Skin with a tendency to acne. Capacity: 400 ml