What Is Sulfate-Free Shampoo?

What Is Sulfate-Free Shampoo? Modern day sulfates such as sodium laureth sulfate (SLS) and sodium lauryl ether sulfate (SLES) were first introduced to the consumer in the form of shampoos in the early 1900’s. While they are known irritants, they were replacing much hasher shampoos of the day. Prior to utilizing SLS or SLES, shampoos were made primarily of shaved soap, being a combination of…