Mend and defend hair from heat damage with Sultra 'Cleanse' Shampoo. 'Cleanse' contains Sultra's exclusive ThermaStress complex to mend hair during the shampooing process and defend the hair from heat damage during styling.The ThermaStress complex, derived from a specialized combination of Hair Keratin Protein, Cystine and MiruStyle X-HP, mends and defends while creating a protective, anti-fading seal around the hair. The Hair Keratin Protein penetrates the hair's cortex, working from within to restructure and recondition the hair and prevent against future cuticle damage. Cystine repairs cuticle damage on the outside of the hair shaft, smoothing it while supplying moisture and sheen. MiruStyle X-HP creates a protective barrier around the hair, structurally reinforcing damaged hair and providing advanced heat protection (up to 428F). Brand: Sultra. Style Name: Sultra 'Cleanse' Shampoo. Style Number: 521010.