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Feb 05, 2008 | 08:20 AM CST
By: Katie Schaefer
Using a texture analyzer to measure the tightness of the skin before and after the application of selected treatments, the authors demonstrate the potential of texture analysis instrumentation in testing the efficacy of skin care products and substantiating skin tightening claims.
Feb 05, 2008 | 08:13 AM CST
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 04, 2008 | 10:43 AM CST
By: K. Schaefer, Cosmetics & Toiletries magazine
Personal care efficacy tests are known to test the physical effects or toxicity of products, often omitting more abstract and possibly equally as important factors such as well-being.
Jan 04, 2008 | 10:14 AM CST
By: F. Kartono, Western University of Health Scien…
In this article the results of six published tandem irritation studies are evaluated; possible mechanisms and clinical ramifications, albeit complex, are discussed. The clinical relevance of tandem irritation among cosmetics users and in many occupational settings appears obvious and suggests the need for further studies clarifying its principles and mechanisms.
Dec 18, 2007 | 05:53 PM CST
Researchers at Rensselaer, the University of California-Berkeley, and Solidus Biosciences Inc. have developed a biochip that can mimic the effects of metabolism and analyze materials for toxicity.
Dec 03, 2007 | 01:28 PM CST
By: Robert Holtz, BioInnovation Laboratories
The authors of the REACH directive had the foresight to recognize the impact of such a large amount of testing on animal use and mandated that in vitro testing methods should be used as animal testing alternatives whenever possible.
Dec 03, 2007 | 11:40 AM CST
By: Andrea Mitarotonda and Arianna Benetti, Lamber…
The rheology of a pre-neutralized, hydrophobically modified acrylic polymer was investigated by dynamic mechanical measurements using this methodological approach to establish its viscoelastic profile and stability in formulations. Properties of several polymer-containing emulsions were studied and their particle size distribution investigated by laser diffraction.
Nov 06, 2007 | 05:00 PM CST
Symrise and Cutech Srl have developed a new skin model out of pig skin as an alternative to animal testing.
Nov 05, 2007 | 05:42 PM CST
Johann Wiechers, PhD, writes: I am driving in a taxi somewhere with a female colleague when she asks me an intriguing question. “Tell me, Johann, how would you measure breast firming?”
Nov 02, 2007 | 11:50 AM CDT
By: Rachel Chapman, Cosmetics & Toiletries
Will a flourishing category ever chance revealing this truth behind naturals to consumers? Perhaps so, as the naturals market becomes more saturated and key manufacturers seek ways to drive consumer interest into new areas.