Sultra® Cleanse Shampoo gently cleans the hair while mending and defending from thermal stress. Sultra Cleanse Shampoo is the perfect first step to smooth, glossy hair! Features exclusive ThermaStress® Complex, derived from a combination of Hair Keratin Protein, Cystine and MiruStyle. Hair Keratin Protein works from within to restructure the hair back to its pre-damaged, healthy condition and prevent against future cuticle damage. Cystine repairs cuticle, laying it smooth while supplying moisture and sheen. MiruStyle creates a protective barrier around the hair, structurally reinforcing damaged hair and providing advanced heat protection . This shampoo s remaining ingredients work to protect hair from sun damage and color fading. Its excellent cleaning properties, even in hard water, clean hair, leaving it fe.