TCA, the original color accelerator, processes permanent color, semi-permanent color, demi color, bleach, foil high lift applications in half the time when added to any manufacturer’s color or lightening product. Here’s how it works: The Color Accelerator, TCA, is a hair color additive that slows down the processing of hydrogen peroxide while driving color molecules deeper into the hair shaft. The formula’s antioxidant (Vitamin E) allows TCA to help develop the color molecules completely in less time while Jojoba Mineral Oil condition moisturize the hair scalp. Use with any manufacturer’s color/bleach Virtually eliminates fade-out Can be used with or without heat to cut processing times by 1/2 to 2/3. Leave hair shiny and in super condition Aids in Gray Coverage, preserves color longer and it is a deep conditioner.