1000Ml 12% Pure Keratin Hair Straightening Treatment Improves Frizzy Split Ends How to Use: Wash hair twice on chemically-treated hair and three times on virgin hair with Purifying shampoo. Blow the hair to 100% dry. Shake the bottle well, pour approximately 2-3 OZ of Pure Keratin treatment in to bowl. Apply to hair with brush using on 1/2"" sections. Comb through every section until hair is completely saturated.(Gloves should be worn for this application) Place hair in cap. For chemically-treated damaged hair, allow hair to absorb solution for 20 minutes and blow hair to 100% dry. For every resistant, coarse hair, allow hair to absorb solution for 30 minutes and blow hair to 100% dry. With a heat resistant comb, divide hair into 4 sections. Using a 450°F (230°C) flat iron, start at the nape of the neck, taking 1/8 inch sections. Slowly move the iron from root to  ends 5-7 times( 7-10 times for extremely curly coarse hair) infusing the keratin treatment into the hair shaft. For chemically treated damaged hair reduce heat to 430°F. After 3 days/72 hours, hair should be washed with PURE keratin Daily shampoo and conditioner.(Shampoo does not contain sodium Chloride) Package Include: 1Pc 1000ml 12% Keratin