MAKEUP PRODUCTS (NON-PERMANENT)

While the majority of chemicals in cosmetic products present slight or absolutely no threat, some have been associated with significant medical conditions, including developmental delays and cancer. Cosmetic chemicals gain entry to your body through the skin, inhalation, ingestion and internal use, and pose similar risks as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in food, water, and various other common products. But, no category of consumer products is subject to less government inspection than cosmetics and other personal care products, including Gel Eyeliner. Though most of the contaminants and chemicals in cosmetics and personal care products probably present minimal risk, subjection to some has been associated with critical health conditions, including cancer.