Shampoo clarificante

Surely you have heard of salt-free or sulfate-free products, keratin treatments, to make it last longer, you have to wash your hair with a salt-free shampoo, sulfates are detergents that are added to the shampoo and act as ionic surfactants, that is, they trap dirt and wash it away, they do not damage the hair, but they help more easily to remove the color and can dry dry hair even more, because in addition to cleaning impurities, sulfates sometimes take away the natural oils of the hair, which is why Keravit creates the Keratin Care Line Without Sodium Sulfate , which helps to restructure and maintain hair care, recovering its health and shine, after a chemical process.