When you wash your hair, shampoo opens the surface structure of the hair – the cuticle. That's why it's important to add hair care after washing to close the cuticle. This is exactly what conditioner will do. Philip B. White Label . In addition to sealing the hair fibers, it provides nourishment, hydration and softening, which are essential for beautiful, shiny and healthy hair. It protects them from mechanical damage and dryness, and also smoothes the surface, helping to soften them and making combing and subsequent treatments easier.
