HAIR COLORING PRODUCTS

Though the majority of chemicals in cosmetic products pose very little or zero threat, dozens have been associated to substantial medical problems, such as cancer, reproductive and neurological harm, and developmental delays. Chemicals in cosmetics get into a person's body through inhalation, ingestion, and the skin, and lead to the same dangers as food chemicals, per this site.

Contaminants and chemicals linked to cancer are found in food and several other common items. Yet, no group of consumer items is subject to less government direction than cosmetics and other personal care products, including Tween Time Crayon - Black. Though most of the chemicals and contaminants in cosmetics very likely present very little risk, exposure to a few has been linked to worrying health problems, including cancer.