Step 4 in the Original Hair Growth System.  A highly effective neutralizing & buffering formula designed to protect the delicate scalp tissue from the toxic effects of the continuous discharge of sebum, until the nightly deacidizing process can remove the 24 hour accumulation.

INGREDIENTS:  Purified Water, Isopropyl Alcohol, Polyethylene Glycol, Allantoin, Dipotassium Phosphate, Monopotassium Phosphate, Benzethonium Chloride.