Hair conditioner, whose main purpose is to improve, restore, and maintain hair conditioning, is mainly used after shampooing or soap washing. When useful, it can be rinsed with water or washed free, with the aim of improving hair combing and preventing hair entanglement. It is generally believed that hair carries a negative charge. After washing hair with shampoo (mainly anionic detergents, soap also belongs to this category), it can cause the hair to carry more negative charges, resulting in static electricity and inconvenience in combing. With hair conditioner, the main component of cationic quaternary ammonium salt can be adsorbed on the hair surface, leaving a uniform monolayer, which will bring a series of benefits to the hair: soft, shiny, easy to comb, anti-static, and make the mechanical damage of the hair and the damage caused by chemical perm, electric perm, hair dye repaired to a certain extent
