Keraspa Brazil Keratin Treatment Smoothing system, Kera 3 Final pH 4: Kera 3 is the last step of the smoothing system. It contains Babassu oil, shea butter, collagen and keratin that replenishes hair and restores flexibility. How to Use Keraspa Brazil Keratin Treatment Smoothing system : Wash the hair with Kera 1 Shampoo lather the hair in the direction of the cuticles and rinse. Repeat. Towel dry the hair (No dryer) and keep 50% to 60% humidity in the hair all through application. Shake KERA 2 from Keraspa Brazil Keratin Treatment Smoothing system before using and pour 1 oz to 1.35 oz (30–40 ml) in a plastic bowl. Use KeraSpa clips and part the hair in four sections. Start at the nape area, take thin sections 1/4 inches - 0.64 cm and apply with brush and remove excess of product with a fine tooth comb. Be careful not to overload with product. Leave product for 20 – 30 minutes. FYI - For better curl reduction on African American hair or very coarse hair, use the double application Technique - apply Kera 2, comb and let stand 20 minutes. Re-apply over the first application, comb And let stand for another 20 minutes. Dry the hair 100 % with a dryer and a round brush to align the cuticles. With a 450°F /232°C flat iron (normal or virgin hair), press the hair taking thin see through sections (1/8 inch- 0.32 cm) 7-10 times each strand of hair. For damaged or bleached hair reduce the heat to 420°F /210°C and press 5-7 times on each strand. Rinse hair abundantly. It is important you rinse WELL (approximately 5 minutes) to ensure the solution has been eliminated as it will remove any unpleasant smell. Remove excess water and apply the Keraspa Brazil Keratin Treatment Smoothing system, Kera 3 final -1 oz to 1.35 oz (30–40 ml) all through the hair, leave for 5 minutes and rinse. (Important step) If a color correction is needed please consult Kera Food in the technical guide. Do not use conditioners or styling product after the treatment. For better results, style the hair with the KeraSpa Amazon Active Shine Fluid and finish with a flat iron. To maintain the effectiveness of the KeraSpa Intense smoothing system, we strongly recommend using the KeraSpa shampoo S Non-sulfate free and the Conditioner C Anti-Frizz. Strongly advised Use the Kera S shampoo without sulfate and the KeraSpa C anti-frizottis conditioner as a maintenance product Type : Keraspa Brazil Keratin Treatment Smoothing system Brand : Keraspa Size : 1000ml