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Sep 03, 2013 | 02:38 PM CDT
By: Rachel Grabenhofer, Cosmetics & Toiletries…
If like me, you’re just daydreaming of the beach, this collection of articles will enlighten you with its focus on sun protection, SPF testing, damage repair and more.
Sep 03, 2013 | 02:16 PM CDT
By: Helena Cheminet, PhD, Arkema; Pierre Seroul, N…
Described here is an image processing system that compensates for changes in illumination and volunteer position, and two algorithms to quantify skin texture and wrinkles. These methods evaluate skin parameters from a single image without contacting skin. Their abilities are demonstrated here in evaluations of the benefits of porous polyamide ultra-fine powders on skin texture and gloss.
Sep 03, 2013 | 02:12 PM CDT
By: Sébastien Miksa, Dominique Lutz and Céline Guy…
This work evaluates the impact of three different substrates on in vitro SPF measurements, and defines experimental conditions to improve their correlation with in vivo values. Evaluations of 32 products, shown here, led the authors to conclude that molded substrates improved repeatability and correlation with in vivo SPF values.
Sep 03, 2013 | 02:02 PM CDT
By: Dennis Lott, Florida Suncare Testing, Inc.
Lab tests on sunscreens show it takes more energy to produce mild erythema on protected skin than unprotected skin. Yet the FDA questions the need for SPFs higher than 50. In response, two outdoor studies were conducted using commercial products to challenge standing premises and determine if there is a measurable difference in an SPF 100 and SPFs of 50 or less.
Sep 03, 2013 | 01:52 PM CDT
By: Chris McLeod, HPCI Media
There are various test methods set by global governing bodies for SPF protection, but this article will discuss the five time-point internationally approved ISO 24444 method.
Aug 13, 2013 | 03:37 PM CDT
CeeTox has reported positive results from the recent phase of a PETA-funded validation study performed by the Flemish Institute for Technological Research (VITO)’s Applied BIO & Molecular Systems (ABS) team.
Aug 07, 2013 | 09:57 AM CDT
Skin measurement devices from Courage + Khazaka Devices have been used for the second time on the International Space Station (ISS) to verify skin aging in space
Aug 07, 2013 | 08:22 AM CDT
The Institute of Bioengineering and Nanotechnology (IBN) has recently engineered a new hair follicle model that could help discover new drugs or active ingredients for hair regeneration.
Aug 02, 2013 | 03:01 PM CDT
By: Trefor Evans, PhD, TA Evans LLC
This article is the first in a series that will address the approaches of measuring the “strength” of hair and quantifying the manner by which this property may be altered. Specifically, it will begin with the generation of stress-strain curves through the use of constant rate extension experiments.
Jul 17, 2013 | 11:21 AM CDT
Researchers from the University of Bath has constructed a "nanoneedle" at the end of an atomic force microscopy (AFM) probe to study the stratum corneum (SC) in detail, which may lead to better skin treatments and a greater understanding of skin aging.