Keratin Color Care line is designed to complement the Keratin Complex Smoothing System by prolonging your achieved results in the salon. The sulfate free formula contains mild surfactant that gently remove dirt and buildup without stripping the hair while the conditioner moisturizes and detangles. The wheat and soy proteins provide lasting nourishment and protect the hair from the heat of blow-drying, hot curlers and straightening irons. Your hair is softer, more manageable and stronger.