Bismuth oxychloride (CI 77163)
Other names: Bismoklite
Harm score: 2 (Derivatives of natural substances)
Bismuth oxychloride, scientifically labeled as BiOCl and other names such as Bismoclite, is a chemical compound composed of bismuth, oxygen and chlorine. This substance is known for its pearlescent tint and is mainly used in the cosmetic industry. Chemically, Bismuth oxychloride is special because it behaves like silicate, which means that it has layers of oxygen and chlorine on its surface that allow it to produce a pearlescent effect. Bismuth oxychloride is a white powder that is heavy and brittle.
Its main use is in the cosmetics industry, where it is used as a colouring agent in many cosmetic products. It is particularly popular in make-up, where it forms part of powders, lipsticks, eye shadows, mascaras and blushes. It is also used in some hair care products. Due to its luminous effect, Bismuth oxychloride is a popular ingredient in many facial highlighting products, known as "highlighters". It is also an important ingredient in some types of eye shadows and blushes that create a luminous effect. In the manufacture of hair products, Bismuth oxychloride adds shine and radiance. Although bismuth oxychloride is non-toxic, some people may have an allergic reaction to this chemical compound, leading to redness and irritation of the skin.