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Sep 01, 2010 | 10:52 AM CDT
Au Naturale Nanoparticle Sun Protection
By: Katie Schaefer, C&T magazine
In 1876, Charles Darwin observed the secretion of yellow matter from the rootlets of ivy. Little was known about the material until 2008, when Mingjun Zhang, PhD, an associate professor of biomedical engineering at the University of Tennessee, and his research team found nanoparticles in the yellow matter.
Sep 01, 2010 | 10:47 AM CDT
Environmentally Responsive Nanoparticles for Delivery as Assessed via Light Scattering and Near-infrared Imaging
By: Andrew Harper; Steve Tonge, PhD; Lisa Makein, …
Lipid-based nanoparticles were developed to respond to environmental stimuli and used as site-directed delivery systems. Through Dynamic Light Scattering (DLS), the self-assembly of these 10–40 nm particles was observed. In addition, the penetration of the particles through the stratum corneum was monitored in vivo using a novel Near-infrared Chemical Imaging (NIR-CI) technique.
Sep 01, 2010 | 10:41 AM CDT
Silicon Microspheres as UV, Visible and Infrared Filters for Cosmetics
By: Isabelle Rodriguez, PhD, Roberto Fenollosa, Ph…
Silicon microspheres are described as UV, visible and infrared (IR) radiation filters. Parameters of these spheres including shape, smoothness, refractive index and size are examined for their potential benefits in cosmetic formulations. Finally, the ability of the spheres to block IR radiation is evaluated for thermo-regulatory effects.
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.
Sep 01, 2010 | 10:27 AM CDT
Assessing the Targeting Conditioning Performance of Cationic Polymers
By: Paquita Erazo-Majewicz, PhD, John A. Graham, P…
The distribution of a conditioning shampoo’s cationic polymers and silicone oils along the hair fiber defines its performance. Therefore in the present paper, researchers conduct spectroscopy and microscopy measurements to assess the polymer and silicone deposition of various conditioning systems on hair fibers, the results of which are used to compare efficacy.
Aug 31, 2010 | 10:08 AM CDT
Conditioning Polymers, Surfactants Lead US Personal Care Ingredient Growth
Conditioning polymers lead the way in the US personal care ingredients market, which is forecasted by Kline & Company to grow at an annual rate of 2.2% through 2014.
Aug 27, 2010 | 10:24 AM CDT
Fisetin and Frambinone Anti-cellulite Blend
Provital Group has addressed cellulite with a blend of two botanicals: fisetin, a flavonoid found in fruits and vegetables, and frambinone, a phenolic compound. The blend is said to diminish fat deposits during exercise, at rest and after eating.
Aug 25, 2010 | 09:38 AM CDT
Ayurvedic Plant Derivative for Natural Anti-acne Benefits
Unigen Inc. has developed a natural anti-acne ingredient derived from an ayurvedic plant for antimicrobial, anti-inflammatory and anti-scarring properties.
Aug 24, 2010 | 04:23 PM CDT
Comparatively Speaking: Universal vs. Cultural Scent Interpretation
By: Anthony J. O'Lenick Jr., Siltech LLC, and Stev…
Tony O'Lenick Jr. asks industry expert Steve Herman to briefly describe the differences between cultural and universal odor interpretations to assist product developers in choosing fragrances for formulas.
Aug 23, 2010 | 10:05 AM CDT
Improving Dispersion in Gels/Emulsions with Granulated Carbomer
Evonik Goldschmidt GmbH has introduced a granulated carbomer to improve dispersion in cosmetic or pharmaceutical emulsions and gels.