SLS Free Shampoo Review

SLS Free Shampoo Review

Fundamental Earth Shampoo Sodium lauryl sulfate, or SLS, has come under a lot of scrutiny over the last couple years.  SLS is used to add a foamy texture to soaps and shampoos, but SLS is actually a cheap additive that is used to cut costs.  Outside of cosmetics, SLS is used an engine degreaser in … *

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