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UV Filter
New in UV Filter (page 7 of 11)
Feb 05, 2008 | 08:13 AM CST
Research Pathways to Photostable Sunscreens
By: Craig Bonda, The HallStar Company
This article provides a visual depiction of pathways that UV filters undergo when exposed to solar radiation; such pathways often lead to photo-instability. A fluorescence technique is described that has led the author to identify compounds that preserve photostability in a novel manner— by quenching the UV filter’s singlet excited state.
Jan 25, 2008 | 04:55 PM CST
Merck Signs Licensing Agreement with Sol-Gel Technologies
Agreements allows Merck to manufacture Sol-Gel's process to encapsulate organic UV filters for cosmetic products.
Dec 06, 2007 | 11:26 AM CST
Broccoli Sprout Extract May Protect Against UV
Scientists at Johns Hopkins have discovered that an extract of broccoli sprouts protects the skin against thel ultraviolet rays.
Oct 09, 2007 | 02:57 PM CDT
Sunscreen vs. Photostabilizer
Tony O’Lenick asks Craig Bonda, an expert in photostabilization and sunscreen technology from Hall Star, "What is the difference between a sunscreen and a photostabilizer?"
Sep 11, 2007 | 03:57 PM CDT
Ferulic Soy Glycerides for Personal Care Products
iSoy Technologies has created ferulic soy glycerides (FSG), an active ingredient derived from soy oil and ferulic acid.
Jun 01, 2007 | 10:33 AM CDT
Enzymatic Synthesis of Isoamyl p-Methoxycinnamate from the Natural Ethyl Ester
By: Ian L. Gatfield, Jens-Michael Hilmer and Heinz…
The naturally occurring ethyl ester of p-methoxycinnamic acid can undergo efficient enzymatic conversion into the corresponding isoamyl ester via lipase catalysis using natural isoamyl alcohol as reactant. This transesterification provides a natural route to a popular sunscreen filter.
Feb 01, 2007 | 02:11 PM CST
Technically Speaking: UV Protection for Sensitive Skin
By: Charles Fox, Independent Consultant
The following column discusses the latest technological advancements in the fields of hair care, skin care, oral care, sunscreen, color cosmetics and more.
Feb 01, 2007 | 02:06 PM CST
Testing Tactics: In Vitro Methods to Test Materials for UV Protective Capabilities
By: Robert Holtz, BioInnovation Laboratories
The methods described in this article highlight some of the markers that can be used to assess the UV protective effects of a test material. All of these markers represent either an index of UV-induced damage to the cell or the cell’s response to the damage.
Feb 01, 2007 | 10:49 AM CST
UVA Skin Protection: Issues and New Developments
By: G. Wakefield, J. Stott and A. Duggan, Oxonica …
Photoinduced degradation and activity in chemical and mineral UV-absorbing actives results in a decrease in UVA protection during topical use, with a corresponding risk of skin pathologies in the user. New developments in UV absorbers are shown to maintain a stable, high level of UVA protection during use.
Dec 28, 2006 | 11:44 AM CST
Protecting Skin from UV Oxidative Stress with a New (Cys-Gly)2 Dimer Peptide
By: A. Plantivaux, Sophia Antipolis University; E.…
In the presented studies, researchers investigated the effect of the (Cys-Gly)2 dimer peptide against UV-induced oxidative stress on cultured human fibroblasts. The dimer peptide was found to act on a range of mechanisms involved in cell defense against such stress.