Benzophenone 4

Benzophenone-4, also known as BP-4, is an organic compound commonly used as a UV filter in various cosmetic and personal care products. It belongs to the family of benzophenones and provides protection against harmful UV rays, primarily in the UVA range.

Description: Benzophenone-4 is a pale yellow, crystalline solid.

Function:

1. UVA Filter: Benzophenone-4 primarily absorbs UVA radiation, protecting the skin from its damaging effects. UVA rays are associated with skin aging and contribute to the development of wrinkles and age spots.

2. Photostabilizer: It helps enhance the stability of other UV filters in sunscreen formulations, ensuring prolonged sun protection.

Applications:

1. Sunscreens: Benzophenone-4 is commonly used as an ingredient in sunscreens to provide UVA protection and enhance the overall effectiveness of the product.

2. Leave-On and Rinse-Off Cosmetics: It can be found in various skincare and cosmetic products, such as moisturizers, lotions, creams, and makeup products that offer sun protection.