Quaternium-52
Harm score: 4 (Slightly harmful chemistry)
Quaternium-52 is a common ingredient in cosmetic and hygiene products. Also referred to as mineral pigments, it is among the various types of chemicals that are generally accepted as safe when used topically on the skin. Its main function is to impart and maintain color in cosmetic and hygiene products. Users note that Quaternium-52 helps the product work better by improving the resulting aesthetics.
Quaternium-52 or mineral pigments can be found in a number of cosmetic and personal care products. It is advertised in hair products such as shampoos, conditioners and hair dyes. They are also used in cosmetics such as in various types of primers, lipsticks and nail polishes. Many manufacturers consider Quaternium-52 to be an important ingredient that ensures their products are attractive and appealing to consumers. Although some people may exhibit allergic reactions to this chemical, most skin care and health experts consider it relatively harmless.