How ? Unlike other products found on the market, Go Straight Hair Treatment Keratin naturally and gradually straighten the hair without damaging or changing its texture. Results ? Results are visible immediately after treatment. The treatment lasts 3 to 4 months and then gradually decreases with each washing without the change is too abrupt. The time required to capping decreases dramatically, in some cases, a minimum of drying is sufficient. This treatment restores the elasticity of hair: moisture, rain or perspiration no longer affect the hairstyle. More frizzy hair! Benefits ? You will be able very quickly to observe the improved quality of hair after applying the keratin treatment. Duration ? The application process lasts 1h30 à 3h00 depending on the length and thickness of hair. After applying the product, it is sealed with a hot lisseurs that traps moisture, hydrates the hair and creates a glossy finish.