HAIR CARE PRODUCTS (NON-COLORING)

Though the majority of chemicals in cosmetics pose slight or zero threat, dozens have been linked to serious medical conditions, such as neurological harm and cancer. Chemicals in cosmetics can enter a person's body through the skin, inhalation, ingestion and internal use, and pose similar problems as food chemicals, per this site.

Chemicals associated with cancer are found in water, food, and several other commonly used products. But, no group of consumer products is subject to less government inspection than cosmetics and other personal products, including Nature's Gate Biotin Strengthening Shampoo. Although many of the chemicals in cosmetics almost certainly present very little risk, exposure to some has been associated with worrying health concerns, such as cancer.