Increases the resistance of the hair A product of the highest quality that protects and restructures the hair shaft weakened or damaged by the action of hair dryers, straighteners, dyes, discolorations, brush, elastic bands, clips etc. The shampoo for treated hair is designed for the protective treatment of the lengths and thanks to its natural components that envelop the shaft while protecting it, it is able to keep the hair hydrated and protected hair. In this way, a significant increase in resistance to mechanical actions (comb, brush, hair dryer and straightener) is achieved, greater than the chemical agents used by hairdressers (bleaching, dyeing and undulation) and a better resistance to exposure to sunlight, chlorine or salt water. Rough, dull and brittle hair will find a new life that will bring it back shine and vitality. Its natural formulation, careful and gentle on the hair and scalp make it suitable for frequent washing.