HELLO KLEAN Clarifying Scalp Soak gently lifts buildup for a healthier scalp. Crafted with apple cider vinegar, fermented rice water, and phytic acid, the low-foam formula features a pH of 4.0. It aids in soothing and revitalizing the scalp without harsh sulfates. This soak helps to create an optimal environment for hair growth, leaving the scalp feeling refreshed.