MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetic products present slight or zero danger, several dozen are linked with substantial medical issues, including developmental delays and cancer. Chemicals in cosmetics invade a person's body through the skin and inhalation, and lead to similar dangers as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in water, food, and various other commonly used products. However, no category of consumer products is susceptible to less government oversight than cosmetics, including Water-Resistant Eyeliner. Although most of the contaminants and chemicals in cosmetics most likely pose very little risk, subjection to some has been associated with substantial health concerns, including cancer.