Benzophenone 9

1. Definition Benzophenone 9:

Benzophenone-9 is a chemical compound used in cosmetics as a UV filter to protect the skin from harmful UV radiation. It belongs to the class of organic compounds known as benzophenones, which are widely used in sunscreens, lip balms, and other skincare products.

2. Use:

Benzophenone-9 is primarily used in cosmetics as a sunscreen agent to absorb and reflect UV radiation, thus preventing skin damage and premature aging caused by sun exposure. It is often included in formulations for its ability to provide broad-spectrum protection against both UVA and UVB rays.

3. Usage Benzophenone 9:

When using cosmetics containing Benzophenone-9, it is important to follow the manufacturer's instructions and apply the product evenly on the skin before sun exposure. Reapplication is recommended after swimming, sweating, or extended periods of time in the sun to maintain the desired level of protection. It is advisable to avoid prolonged exposure to the sun, especially during peak hours, and to use additional protective measures such as wearing hats and protective clothing.

4. References:

- Chisvert, A., & Salvador, A. (2014). Analysis of Cosmetic Products. Elsevier.

- Loretz, L., Api, A. M., Barraj, L., Burdick, J., Davis, D., Dressler, W., ... & Wilcox, D. K. (2005). Exposure data for cosmetic products: facial cleanser, hair conditioner, and eye shadow. Food and Chemical Toxicology, 43(2), 279-289.

- Kaddour, S., & Chaudhuri, R. K. (2019). Cosmeceuticals and Active Cosmetics: Drugs vs. Cosmetics. CRC Press.