Today's consumers are increasingly keen to understand the composition of the cosmetic formulas they use. Certain ingredients are suspected of being harmful to health and/or the environment. It is therefore understandable to be concerned and wish to have more information on the subject before purchasing a product. Indeed, sulfates, particularly sodium laureth sulfate, are often under scrutiny. Why is this sulfated surfactant controversial? Should we avoid it? Are there more eco-friendly and less irritating alternatives? Let's focus.