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UV Filter
New in UV Filter (page 5 of 11)
Sep 01, 2010 | 10:30 AM CDT
Meeting the UVA Challenge: Inorganic-only Sun Protection
By: Paul Staniland, PhD, and Julian P. Hewitt, Cro…
The production of a range of titanium dioxide-based dispersions is explored to provide enhanced UVA protection, in comparison with ultrafine titanium dioxide. Formulations containing these dispersions as the only active are shown to achieve a UVA protection factor that is 1/3 of the labeled SPF value, thus meeting European Commission recommendations.
Jul 27, 2010 | 04:40 PM CDT
Comparatively Speaking: UVA vs. UVB Protection
By: Anthony J. O'Lenick Jr., Siltech LLC
Tony O’Lenick asks industry expert Dennis Lott of Florida Suncare Testing Inc. to distinguish between UVA and UVB radiation to explain how organic UV filters can be formulated into sunscreens to help protect against these rays.
Jun 30, 2010 | 10:58 AM CDT
English Ivy Nanoparticles Found to Protect Skin from UV Radiation
Researchers at the University of Tennessee report that English ivy nanoparticles may protect skin from UV radition better than other metal-based nanoparticles such as titanium dioxide (TiO2).
Jun 15, 2010 | 05:05 PM CDT
Hydroxyapatite UV Filter
Kalichem Italia S.r.l. has introduced a physical sunscreen that imparts a soft focus antiaging effect without a white appearance on skin. The material is based on hydroxyapatite, one of the basic constituents of bones and teeth.
May 13, 2010 | 11:23 AM CDT
Silicone Fluid to Stabilize Avobenzone
Hallstar has developed a silicone fluid to enhance the stability of the UVA filter avobenzone by quenching its excited state, as well as improve the feel and spreadability of sunscreen formulations.
Mar 02, 2010 | 11:00 AM CST
UVB/UVA Protection for the Face
Shiseido has launched four new sunscreens that protect skin against UVA and UVB radiation, which can lead to cell damage, sunburn and premature signs of aging.
Jan 29, 2010 | 03:25 PM CST
Micron-sized Zinc Oxide Dispersion for Transparent High SPF Formula
By: Paul McCormick, PhD, Antaria Ltd.; Robert Flet…
Regulatory bodies require quantifiable, photostable UVA protection for sunscreens and while zinc oxide provides an effective option, historically, its white appearance on skin has limited its acceptance. Therefore, in the present article the authors explore a micron-sized zinc oxide dispersion technology to enable the formulation of transparent yet full spectrum sunscreen formulas.
Jan 29, 2010 | 03:20 PM CST
Singlet Quenching Proves Faster is Better for Photostability
By: Craig Bonda and Anna Pavlovic, The HallStar Co…
The faster a photostabilizer works, the fewer opportunities for destructive chemical reactions. Here, the author describes a new photostabilizer, ethylhexyl methoxycrylene, which acts by quenching the singlet excited state of UV filters. The data shows how this material sets a new standard for the photostabilization of avobenzone, even in the presence of octyl methoxycinnamate.
Sep 29, 2009 | 02:50 PM CDT
Metabolism of Vitamin D in Skin: Benefits for Skin Care Applications
By: Françoise Arnold MMP Sarl; Michel Merci…
The skin innately possesses metabolic pathways and receptors to protect against external assaults. Here, one protective component, 7-dehydrocholesterol or provitamin D, naturally present in the skin, is described, which serves as the precursor for active metabolites that influence the formation and maintenance of barrier function, the activation of antimicrobial peptides, photoprotective activities, and protection against senescence.
Sep 25, 2009 | 10:09 AM CDT
Broad-spectrum Hydroxyphenyltriazine Filter for EU
The UV filter is based on hydroxyphenyltriazine chemistry for UVA and UVB protection in beach and daily wear products.