Pre-cleaner spray is the first step in supporting a healthy scalp. This spray will loosen dirt and break up the buildup on the scalp and hair, removing bacteria, and fungus. Emphasis is placed on cleaning the scalp before shampooing or undergoing treatment. Use when wearing weaves, extensions, wigs, and braids to clean deep under your system so that no bacteria fungus can grow on the scalp. Pre-cleaner spray will loosen dry scalp buildup from psoriasis before you shampoo.