This Cotril Pre-Post Treatment Shampoo is formulated to provide thorough cleansing before and after specialized hair treatments. Its gentle yet effective formula helps prepare the hair structure for subsequent steps or helps to purify the hair post-treatment, optimizing the longevity and performance of the service. Ideal for use within professional styling routines, this shampoo ensures the scalp and hair fiber are perfectly conditioned, setting the stage for superior treatment results.