Between the heat, dye and stress our hair is subjected to on a regular basis, we ask a whole lot of it everyday. Give it a break with Olaplex's sulfate-free No. 4 formula, which is meant to reduce ...

The lack of sulfates isn’t the only feature to consider in a sulfate-free shampoo. Different brands and formulas include ingredients that serve various purposes.

If you are avoiding sulfates because you have color-treated hair, consider this shampoo from Nexxus. It is made with the brand’s proprietary ProteinFusion blend containing quinoa and elastin ...

Kérastase Nutrition Rich shampoo currently has 40% in Amazon Prime Day deal - save over £10 to make that dry hair ‘silky smooth’ like brand ambassador Sydney Sweeney's iconic blonde locks ...

There may be some downsides to including sulfates in shampoo. One downside is that sulfates may be too effective at cleaning. Sulfates help a shampoo to strip oil and dirt away from the hair.