About the Treatment size, according to the degree of damage hair to choose different percentage of Treatment , the higher percentage of Treatment can make the hair more smoother and straighter ,the effect will be better. For example: 8% better than 5% 12% is most. Features: - Heals - Repairs - Moisturizes - Protects damaged hair - Eliminates frizzy hair - Reduces hair volume - Make hair more shiny - Brazilian keratine straightening The Keratin Treatment with Chocolate fragrance reconstructs, repairs, moisturizes and protects damaged hair. eliminates frizz, reduces volume, leaves hair straight and repairs damage from the environment. Chocolate seed oil and extract are excellent moisturizers with great rejuvenating and regenerating qualities. Rich in antioxidants, vitamin E, vitamin C, Beta-Carotene, and vitamin D, when combined with natural keratin and other hair treatment ingredients our Chocolate extract keratin complex restores health, treats, and softens the wildest hair, eliminating frizz and reducing volume. The treatment can be used on all types of hair and lasts for up to three months. Usage: 1. Blow hair to 100% dry.Wash hair twice on chemically-treated hair and three times on virgin hair with Keratin Purifying 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 using 1/2 sections. 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 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 Brazlian Keratin Treatment into the hair shaft.For chemically treated damaged hair reduce heat to 430°(200°C). 6. After 3 days or 72 hours, hair should be washed with Keratin Daily Shampoo and Conditioner. (Shampoo does not contain Sodium Chloride).