Matrix Opticare combo of Shampoo, Conditioner, Serum and Mask comes from a Professional Haircare Line formulated to help control and smoothen chemically straightened hair. Enriched with Silk Amino Acids and Shea Butter to help protect, condition and moisturize for healthy looking silky shiny hair. Softens texture, tames frizz, adds shine and manageability to leave hair silky smooth.