A chemical ingredient used in some hair relaxing and/or straigtening products that is designed to break the protein bonds that provide human hair with its natural texture. Ammonium Thioglycolate is often called "thio". It is the active chemical ingredient that is also found in chemical waving treatments.
Daily Hair Tip
Gently scrubbing your scalp w/your fingertips or fingernails when showering is a fab way to give dandruff the brush off. When combined w/ a good dandruff treatment shampoo, light finger scrubbing removes dead skin cells from the scalp.