About Product* Keratin Features:1. 30 minutes repair your damage dry hair2. Straighten hair3. Eliminates frizzy hair,4. Make hair more shiny, smooth.5. The straight effect can lasting for 3 monthsUsage:What Is Keratin? It's a protein that's naturally in your hair.1.Blow hair to 100% dry.Wash hair twice on chemically-treated hair and three times on virgin hair withKeratinPurifying Shampoo.2.Comb through every section until hair is completely saturated. (Gloves should be worn for this application).Shake the bottle well. Pour approximately 2-3 OZ of Keratin Treatment into bowl. Apply to hair with brush use.3.Place hair in cap.4.For chemically-treated or damaged hair, allow hair to absorb solution for 20 minutes and blow hair to 100% dry.For very 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.5.Using a 450F (230C) flat iron, start at the nape of the neck, taking 1/8 inch sections. Slowly move theironfrom root to ends 5~7 times (7~10 times for extremely curly coarse hair) infusing the Brazlian KeratinTreatment into the hair shaft.Forchemically treated damaged hair reduce heat to 430(200C).6.After 3 days or 72 hours, hair should be washed with Keratin Daily Shampoo and Conditioner.(Shampoo does not contain Sodium Chloride).