Benzophenone-4

Benzophenone-4, also knowns as Sulisobenzone, is a water-soluble and is recommended for the highest sun protection factors, it is a protective ingredient that works to keep the UVB rays away from the skin and hair, also is commonly used for other purposes such as extending the shelf lives of products and acting as a color protectant.

Benzophenone-4 is a photostabilizer and sunscreen agent used for its ability to absorb UV rays. It helps prevent the integrity of other cosmetic ingredients from deteriorating under the sun. Benzophenone-4 Concentrations of as low as 0.1% provides good results. Though it covers UVB and short UVA (UVA-2) range rays, it’s an inadequate sunscreen agent when used alone. For this reason, it is often used in conjunction with other sun protecting ingredients. It must be noted that Benzophenone-4 is not compatible with Mg salts, particularly in water-oil emulsions. Benzophenone-4 has a yellow color that becomes more intensive in the alkaline range & may alter the due of colored solutions.

It’s used in a variety of personal care products like sunscreen, nail polish, lotion/cream and lipstick, also as ultra-violet stabilizer in wool, cosmetics, pesticides &lithographic plate coating.