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
There are different types of conditioners including pre-shampoo, rinse-out, leave-in and deep conditioning. Olive oil and other volume enhancing products may help strip hair color. When in doubt, ask your stylist.