Methylparaben is used to preserve food and cosmetics. It is a fungicide and anti-bacterial agent, extending the shelf-life of a product. Methylparaben is quickly absorbed through the skin, and through the intestinal tract when used as a food preservative. There is a great deal of controversy surrounding its use, with many reports of dangerous side effects.
Breast Cancer
Methylparaben is widely used as a preservative in women's cosmetics, such as skin creams and deodorants. This compound has been found intact within breast cancer tissues. Some researchers suggest that methylparaben may increase risk of breast cancer, or accelerate the growth of these tumors.