Antioxidant

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Showa Denko Debuts Aqueous Stable Vitamin C Derivative

Oct 15, 2014

At in-cosmetics Asia, Showa Denko K.K. will introduce a vitamin C derivative for personal care that is stable in aqueous solutions.

Photoprotection of TiO2 Using Propenoic Acid Esters

Aug 21, 2014Robert S. Hu, Jean Zhang, Gary A. Neudahl and Craig A. Bonda, The HallStar Company

Titanium dioxide (TiO2) is known to be photocatalytically active. Even with surface modifications, it catalyzes the decomposition of organic materials and promotes the formation of reactive oxygen species. However, a particular propenoic acid ester is shown here to protect TiO2 from inducing such reactions, making it a more effective and safer UV filter.