Reactions 1680, p5 - 2 Dec 2017 Dermatological and environmental impacts of oxybenzone There are concerns that use of oxybenzone (benzophenone-3) – which is found in sunscreen and various personal care products – can have adverse effects on humans and the environment. In a recent review article published online in the Journal of Cosmetic Dermatology, researchers from Virginia in the US noted that a Center for Disease Control report revealed that approximately 97% of the people tested had oxybenzone present in their urine, and that independent scientists have also confirmed the presence of this compound in waterways and fish. Oxybenzone (i.e. an aromatic hydrocarbon that acts as a UV light filter in sunscreens) can react with chlorine and produce hazardous by-products, which can then concentrate in swimming pools and wastewater treatment plants. Furthermore, "adverse reactions could very well be increased by the closed loop of ingesting fish contaminated with oxybenzone and/or washing the ingredient off our bodies and having it return in drinking water as treatment plants do not effectively remove the chemical as part of their processing protocols", added the researchers. In humans, there seems to be sufficient data demonstrating that oxybenzone can cause contact allergies, photocontact allergies, and contact urticaria reactions. It may also be linked to Hirschsprung’s disease – a congenital birth defect for which nerve cells are missing at the end of a child’s bowel. Oxybenzone has also been shown to produce a variety of toxic reactions in the environment, including coral reef bleaching, and death of fish populations. Given the increased rates of skin cancer we see today, and the availability of more effective sunscreen ingredients (e.g. micronised zinc oxide and titanium dioxide), the researchers concluded that "the potential negative health and environmental effects caused by the accumulation of this [oxybenzone] and other chemicals in the ecosystem needs to be taken into consideration by industry and regulatory agencies prior to the development and release of new and effective personal care products". DiNardo JC, et al. Dermatological and environmental toxicological impact of the sunscreen ingredient oxybenzone/benzophenone-3. Journal of Cosmetic Dermatology : [5 pages], 31 Oct 2017. Available from: URL: http:// dx.doi.org/10.1111/jocd.12449 803286365 0114-9954/17/1680-0001/$14.95 Adis © 2017 Springer International Publishing AG. All rights reserved Reactions 2 Dec 2017 No. 1680
Reactions Weekly – Springer Journals
Published: Dec 2, 2017
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