Under the test conditions adopted, Lactodiol shampoos are non-irritating and therefore have Very Good Cutaneous Compatibility.
Silicones are polymers with a chemical structure based on chains of alternate silicon and oxygen atoms. Silicones have little to no affinity with human skin or hair and are water insoluble, meaning they are very tricky to wash out. Used to give your hair added shine and smoothness, silicones form a layer around the hair shaft, smothering the hair and preventing moisture from penetrating, which can lead to dryness and brittleness.
Parabens are a family of related chemicals that are commonly used as preservatives in cosmetic products. Preservatives may be used in cosmetics to prevent the growth of harmful bacteria and mold, in order to protect both the products and consumers.
Sulfates are aggressive detergents made of sulfur-containing mineral salts. The most common are Sodium Lauryl Sulfate (SLS) and Sodium Laureth Sulfate (SLES).