Ketofast Ketoconazole & ZPTO Soap (75gm) - Medicated Skin & Scalp Care. Product: Ketofast Soap (Ketoconazole & ZPTO Soap). Active Ingredients: Contains Ketoconazole and ZPTO, which are highly effective for skin protection. Reliable Brand: A quality product manufactured by INTRALIFE. Net Weight: Each soap weighs 75 grams.