SODIUM LAURYL SULPHATE NEEDLE SHAPE
Application
Sodium lauryl sulfate (SLS) is a surfactant, which basically means it has an effect on the surfaces it touches. It's used in a variety of products such as food thickeners, toothpaste, and floor cleaners.
Dosage
Regarding its use in cosmetics and body products, the safety assessment study of SLS, published in 1983 in the International Journal of Toxicology (the most recent assessment), found that it's not harmful if used briefly and rinsed from the skin, as with shampoos and soaps.