After straightening, it is important to use a salt-free shampoo and a shampoo that strengthens the hair and preserves it over time. In Fibroseal Shampoo you will find the professional restoration and strengthening components that appear in straightening: silk molecules that break down throughout the day on the hair and give it strength and sealing to improve the hair texture, Murumuru oil for increased shine and the development of FiberHance which will bring you the result of fuller, healthier and shinier hair.