HYDRAPREP PH BALANCE TONER 6.8OZ. Benefits: Exuviance HydraPrep pH Balance Toner is formulated to hydrate and target the skin's natural pH balance. Contains the Alpha Hydroxy Acid (AHA) Glycolic Acid, with PHA and conditioning Botanicals to prepare skin for your optimized Exuviance intention skincare steps. Dermatologist and Allergy tested. Research Results: Percentage of respondents noting improvement after two weeks twice daily use:. 100% hydrated and more supple skin. 97% skin feels more balanced. 97% skin looks brighter, more radiant and luminous. Key Ingredients: Glycolic Acid (AHA). Gluconolactone (PHA). Botanical Extracts.