What’s the deal with sulphate-free shampoos and do you really need ... The most common sulphates are sodium lauryl sulfate – often labelled SLS – and sodium laureth ether sulfate (SLES).

SLS-free Toothpaste is free from a chemical called Sodium Lauryl Sulfate (SLS), a powerful detergent commonly used in other cleaning agents we find in the home – shampoos, shower gels ...

The answer, for many supermarket shampoos, is the inclusion of chemical foaming agents like sodium lauryl sulfate and sodium laureth sulfate. Known commonly as sulfates, these ingredients help ...