MAKEUP PRODUCTS (NON-PERMANENT)

While many chemicals in cosmetics present little or zero threat, some have been linked to substantial medical conditions, including neurological harm and cancer. Cosmetic chemicals can enter a person's body through the skin and inhalation, and pose similar problems as food chemicals, per this site.

Chemicals and contaminants associated with cancer are found in water, food, and several other commonly used products. But, no area of consumer products is susceptible to less government oversight than cosmetics and other personal care products, including cue the confetti party collection. Though most of the contaminants and chemicals in cosmetics likely present very little risk, being exposed to a few is associated with substantial health conditions, such as cancer.