MAKEUP PRODUCTS (NON-PERMANENT)

Though many chemicals in beauty products pose hardly any or absolutely no danger, dozens are associated with serious medical problems, including developmental delays and cancer. Cosmetic chemicals get into a person's body through ingestion, inhalation, and internal use, and lead to similar risks as food chemicals, per this site.

Contaminants and chemicals linked to cancer can be found in food and lots of other commonly used products. However, no classification of consumer products is subject to less government direction than cosmetics and other personal products, including YSL Longlasting Matt Finish. While most of the chemicals in cosmetics almost certainly present very little risk, subjection to a few has been linked to substantial health issues, including cancer.