Most Popular in Testing
- In vivo Delivery Confirmation: Measuring the Deposition of Salicylic Acid from Anti-acne Face Wash
- Phthalates Study Raises More Concerns, ‘But Who Cares?’
- Wet Skin Factor for Sunscreens: An In vitro Method, Part I
- Wet Skin Factor for Sunscreens: An In vitro Method, Part II
- 'Zapping' Sensitive Skin: Capsaicin Tests Show Embelia concinna Comforts Irritation
- VIDEO: P&G Scientists on Claims Substantiation in Anti-dandruff Care
- Evaluating 1,3-Propanediol for Potential Skin Effects
- How to Prove 'Rub-resistant' Sun Protection
- Antiaging in a Different Light: Assessing How Chromophores Color Perception
- Zeta Potential and Particle Size to Predict Emulsion Stability
Recent in Testing (page 22 of 32)
Oct 20, 2009
BD Biosciences is hosting a webinar dedicated to cell-based assays. Elizabeth Abraham, PhD, a research scientist at BD Biosciences, will discuss the applications for the company's BD PureCoat surfaces.
Oct 13, 2009 | Johann W. Wiechers, PhD, JW Solutions
Following positive feedback from a previous column on the placebo effect, Wiechers readdresses clinical study design in relation to cosmetic claim substantiation—this time discussing when to perform double-blind studies and when to perform single-blind studies.
Oct 9, 2009
The HairDX Genetic Test for Hair Loss, a genetic baldness test manufactured by HairDX LLC, is now available as a CE Marked product under the European In Vitro Diagnostic Directive.
Sep 1, 2009
Brookfield Engineering celebrates its 75th anniversary with the introduction of the Falling Ball Viscometer, an instrument to assess the dynamic viscosity of transparent Newtonian fluids.
Aug 28, 2009 | M. Pissavini, S. Marguerie, A. Dehais, L. Ferrero and L. Zastrow, Coty-Lancaster International
Here, the authors describe a variable that affects the results of SPF testing in vitro—the roughness parameter—and investigate this variable using standard and molded poly(methyl methacrylate) (PMMA) substrates. They conclude that use of a molded substrate, along with the described control chart, improves the reproducibility of in vitro SPF test results.
Aug 28, 2009
The European Centre for the Validation of Alternative Methods (ECVAM) is renewing its scientific advisory structure and is calling for life sciences experts interested in joining its ESAC or EEP groups.
Jul 30, 2009 | Rachel Chapman, Cosmetics & Toiletries magazine
This edition of C&T magazine takes a closer look at alternatives to animal testing with Oborska’s review of existing and pending methods. In addition, the author discusses the complexity of the process to validate alternative test methods.
Jul 30, 2009 | Anna Oborska, PhD, Polish Association of Cosmetics and Home Care Products Producers
Alternative test methods have the potential to reduce animal testing; however, the extent to which in vitro methods can be replaced is questionable. This article summarizes validated alternatives to test the safety of cosmetic ingredients. It also illustrates how great a challenge it is to devise a proper alternative method.
Jul 1, 2009
Cutest Systems Ltd has installed a Labsphere UV-2000S sunscreen analyzer at the companies laboratories in Cardiff, Wales.
Jun 30, 2009 | Hongbo Zhai, MD, and Howard I. Maibach, MD, University of California
The present study uses an evaporimeter to measure the degree of water loss from in vitro skin samples covered by occlusive and semi-occlusive wound dressings to serve as a model for determining the effectiveness of occlusive cosmetic formulations. The purpose of this work was to develop a model for determining the effectiveness of occlusive cosmetic formulations.
May 4, 2009 | Katie Schaefer, Cosmetics & Toiletries magazine
To support finished product or raw material claims these two in vitro methods—the Affymetrix microarray and the Taqman Real Time Polymerase Chain Reaction (PCR)—measure the up-regulation or down-regulation of genes.
May 4, 2009 | David Boudier, Nathalie Guichard, Josselin Breugnot, Maud Le Guillou and Brigitte Closs, Silab
In a new method described here by the authors, fluorescence emitted from samples and captured by image analysis is used to quantify the number of lipids present in the cornified cell envelope. This in vivo approach is fast and noninvasive and could be used to screen molecules for potential moisturizing and restructuring effects.