MAKEUP PRODUCTS (NON-PERMANENT)

Although many chemicals in cosmetic products pose minimal or zero danger, several dozen have been associated with severe medical issues, including neurological harm and cancer. Cosmetic chemicals enter a person's body through the skin, inhalation, ingestion and internal use, and pose similar risks as food chemicals, per this site.

Chemicals associated with cancer are found in food, water, and many other everyday products. However, no type of consumer products is susceptible to less government inspection than cosmetics and other personal products, including YSL 4 Colour Harmony for Eyes. Although many of the chemicals in cosmetics and personal care products in all likelihood pose minimal risk, being exposed to a few has been associated with worrying health issues, such as cancer.