Why SLS-Free Shampoo? The Benefits of an SLS-Free Hair Routine

shampoo bottle under shower

You’ve probably noticed the term “sulfate-free” or “SLS-free” on many shampoo bottles, as many haircare brands—including MONDAY—have been moving away from the ingredients over the past several years. Sulfates are foaming agents, also known as surfactants, the most commonly used being Sodium Lauryl Sulfate (SLS) and Sodium Laureth Sulfate (SLES).  SLS and SLES have been […]