The fastest, strongest drying lotion on the market. Its high content of zinc oxide, sulfur, camphor and sodium laureth sulfate make this acne medication a "must have" for treating pimples. Great for overnight use. Bio Clean - real adult acne treatment. Adult acne is produced by oily skin, which can cause blackheads, pimples, whiteheads and enlarged pores on all areas of the face - the perfect breeding ground for acne. This can be caused by a excess oil, by infection, or by improper cleansing that clogs pores, which starts pimples and acne. The hormonal imbalance that often causes teenage acne is a normal part of growing up and can be treated. Adult acne can also be caused by hormonal imbalance. The cause may be stress, diet, or just the effect of going off birth control pills. These adult acne treatment products are specially designed to treat pimples, oily skin and acne, while preventing the dryness and flakiness caused by other skin care products.