Scent Tip: The vast majority of bacteria on your body are beneficial. Right now, there are literally thousands of difference types living on your skin alone, preforming crucial functions such as supporting your immune system. Your body needs these symbiotic bacteria, that&';s part of the reason we don&';t use antimicrobials! ESPA(R) technology eliminates odor where it exists on the skin and scalp Zero skin environment Skin Safe No biocides or harsh chemicals Advanced Huntress Approved formula Will not change or alter color treated hair