Keratin Complex KCMAX Maximum Keratin Treatment Spray helps to lock in your keratin treatment for maximum results. Seals the hair cuticle and enhances shine. This is the third step of the new Keratin Complex KCMAX smoothing treatment. How to use: After applying Keratin Complex KCMAX Smoothing Keratin treatment, blow dry hair. Section hair off into 2 inch sections. Spray 1-3 pumps of Maximum Keratin Treatment Spray onto dry hair starting at the root all the way through the ends. Comb through to assure you get an even distribution of treatment throughout each section. When finished applying to the entire head, divide hair into 6 sections and flat iron each section starting at the root and following through to the ends.