HAIR COLORING PRODUCTS

Although the majority of chemicals in cosmetics pose slight or absolutely no danger, several dozen are associated with significant medical issues, including developmental delays and cancer. Cosmetic chemicals get into a person's body through the skin, inhalation, ingestion and internal use, and lead to similar risks as food chemicals, per this site.

Chemicals associated with cancer are found in food and lots of other everyday items. Yet, no classification of consumer items is subject to less government oversight than cosmetics and other personal products, including Waterproof Hair Color Touch-up Stick. Though most of the contaminants and chemicals in cosmetics likely present little risk, being exposed to some has been associated with significant health issues, including cancer.