Quaternium-91

Harm score: 4 (Slightly harmful chemistry)

Quaternium-91 is a chemical that belongs to the group of quaternary ammonium compounds, specifically it is a salt of pcl-phenethyl alcohol and behentrimonium methosulfate. It is a substance that is widely used in the cosmetic industry. This is because it acts as an anti-static and conditioning agent that greatly improves the texture of hair and skin.

Quaternium-91 is often found in hair and skin care products such as shampoos, conditioners, hair masks, skin tonics, creams and more. The substance helps to smooth hair and improve its appearance by reducing its susceptibility to electrical charge. In addition, it also helps maintain the moisture of the skin and makes it soft. Studies have shown that quaternium-91 does not cause any health risks when used in recommended concentrations. Therefore, it is considered safe for use in cosmetic and hygiene products.