Derma-Klear Akne Treatment Soap 3 Ounces by Enzymatic Therapy. $7.69. 3 Ounces Bar. Serving Size:. DermaKlear AKNE TREATMENT SOAP with SULFUR: Clears up acne blemishes and allows skin to heal. Helps keep skin clear of new acne pimples. Penetrates pores to control acne blemishes, whiteheads, and blackheads. Contains no Benzoyl Peroxide, which can dry the skin.