MAKEUP PRODUCTS (NON-PERMANENT)

While most chemicals in cosmetic products present minimal or zero threat, dozens are linked to substantial health issues, including cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics enter a person's body through inhalation, the skin, and ingestion, and pose similar risks as food chemicals, per this site.

Contaminants and chemicals associated with cancer can be found in water, food, and several other commonly used items. Still, no classification of consumer items is subject to less government oversight than cosmetics and other personal products, including Revlon Ultra Micro Laser Liner. While many of the chemicals in cosmetics and personal care products almost certainly pose very little risk, subjection to some is associated with serious health conditions, including cancer.