Sulfate-free shampoos are indicated for hair that has recently undergone a straightening treatment. They are perfect for the maintenance of keratin treatments, since their gentle formulation prolongs their duration. They are also beneficial for hair that has not undergone any treatment, but want to give their hair a break with a salt-free shampoo.
Try the Free Shampoo from Arual’s Free Line and get a shiny and soft hair. It is salt-free, it contains no sulfates, parabens, silicones nor colorants. Complement it with the Free Conditioner for more noticeable effects.