Trusted by hair stylists for Smooth Straight hair, discover our No.1 professional home care range Opti.Care Smooth Straight from Matrix. Specially developed for straightened hair, its super caring formulas are the experts favorite choice for smooth and straight professional hair results. The OptiCare shampoo gently cleanses and moisturizes. Nourished with Shea Butter, it softens texture, tames frizz, adds shine and manageability to leave hair silky smooth. Maintains straightened effect of hair for up to 72 washes* (*Instrumental Test on Straightened hair: Shampoo + Conditioner + Serum & a monthly Opti.Care Hair Treatment).