Shampooing is an essential part of the hair care routine. Whether liquid, dry or solid, shampoos are used to eliminate grease and allow the application of other treatments more effectively. It is chosen according to the nature of the hair and the scalp. A suitable shampoo should soften and purify the hair without weighing it down while ensuring a healthy scalp. Not an easy task ... “COSMIC DEALER – Gratte-langue” has been added to your cart.