Keratin is one of the important proteins that make up hair and consists of keratin molecules connected to each other by sulfur bridges. Keratin helps your hair gain a healthier structure and a shiny appearance in a short time. It causes damage over time by breaking bridges. In order to eliminate these damages and restore a healthier structure to the hair, keratin loading must be done on the hair. Keratin quickly penetrates and structures your hair - making it look smooth, vibrant and shiny. Does not contain paraben. How to Use: Apply 1-2 pumps of the product to dry or dehydrated hair as a leave-in treatment. Let it dry for smoother hair. For bottom care, take 4-5 pumps of the product and apply from root to tip, wait for at least 3 hours and rinse with plenty of water. In case of contact with eyes, rinse with plenty of water. Protect from heat and light. It is not a medicine. Keep away from children. For external use.