Sulfates are a type of substance known as surfactants that are crucial to the efficiency of shampoos. Surfactants reduce the surface tension of the liquid in which they are present, making it simpler to mix with water and form a foam.
Sulfur is an element that has many advantages for the hair, particularly for people with brittle, dry hair. Sulfur is supposed to help strengthen the hair and improve its elasticity. It is also believed that taking sulfur supplements may assist in enhancing the overall hair health because keratin, a crucial protein in the hair, is composed of sulfur. However, more research is required to understand the benefits of sulfur for hair.