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19 Results
Section: Testing > Method/Process
Efficacy
Words from Wiechers on 'Snake Oil Sellers'
Now more than ever, "snake oil sellers" have access to consumers, which may be, in part, why the industry is consistently under attack. In this first installment of our new "Words from Wiechers" series, column editor Tony O'Lenick shares lessons for the betterment of both formulas and the industry's overall credibility.
Sun Protection
Wise Words From the Bench with Gavin Greenoak
After 25 years in the industry, Gavin Greenoak, managing and scientific director of the Australian Photobiology Testing Facility Pty., Ltd. (APTF), continues to strive for a better understanding of the interaction of light and the human body. Greenoak’s career began in cancer research, which has afforded him unique insight of skin biology and the effects of sun exposure.
Methods/Tools
The Estée Lauder Cos. 'Green Score' Method Could Standardize Sustainability
The company published its internal approach to evaluate ingredients and formulas through the lenses of human health, ecosystem health and the environment, in hopes that others might build upon it.
Method/Process
Lab Lessons—Wise Words From the Bench With Sergio Nacht, PhD
Today, product formulation goes hand in hand with efficacy testing, but nearly 40 years ago, when Sergio Nacht, PhD, started out in the personal care industry, it was a different story. Throughout his decades in personal care, Nacht has developed methodologies that have allowed the personal care industry to establish efficacy of a product and convey this to the consumer. He has also been instrumental in the increased efficacy of personal care products through sustained release.
Method/Process
In the Land of the Blind: Applying a Single-blind Study to Finished Products
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.
Method/Process
With the Speed of Light: A Look at Accelerated Testing
We test a number of things in our cosmetic industry. We test for safety; for stability; for efficacy; for microbiological contamination; and for interactions between the (ingredients of the) product and its container.
Method/Process
Much Ado About Nothing: Cosmetics Testing with a Placebo
In this column, the author investigates the source of the placebo effect. In addition, he asks the question: Must cosmetics testing always incorporate tests against a placebo?
Method/Process
Analyzing Deposition from Rinse-off Hair Products
The most common approach to determine ingredient deposition on hair is to analyze the treated tresses, but this poses several challenges. Instead, the authors describe a novel approach based on determining the amount of ingredient collected in the rinse water, and back-calculating the amount deposited on hair. Development and validation efforts discussed here use polydimethylsiloxane as a model compound.
Event Coverage
[video] News and Insights from
Cosmetics & Toiletries
: 11/10/2017
Cosmetics & Toiletries
is back again with your weekly video update, featuring Rachel Grabenhofer, managing editor, with industry news and insights. Watch now!
Event Coverage
[video] News and Insight from
Cosmetics & Toiletries
: 8/25/2017
Here she is again, Rachel Grabenhofer, with news from
Cosmetics & Toiletries
—along with her product pick of the week and some reader insight. Watch now!
Event Coverage
[video] News and Insights from
Cosmetics & Toiletries
: 4/27/2018
Did you see last week's video from in-cosmetics in Amsterdam? We touched on a few trends but there was so much more. This week's recap gives additional insights and news in cosmetics R&D.
Event Coverage
[video] News and Insights from
Cosmetics & Toiletries
: 01/26/2018
We covered a lot of ground this week in cosmetics R&D. Can Rachel Grabenhofer recap it all in under 3 minutes? Watch our video to find out.
Event Coverage
[video] News and Insights from Cosmetics & Toiletries: 11/17/2017
Temperatures are cooling down, but news at
Cosmetics & Toiletries
is always hot! Click through and watch now for the latest industry news and insights.
Event Coverage
[video] News and Insights from
Cosmetics & Toiletries
: 12/15/2017
Did you know: The skin remembers injury to help speed its recovery later? And the U.S. Food and Drug Administration holds "holographic" and other effect pigments to the same strict standards? If you missed this week's news, you missed out. Check out our video recap!
Method/Process
From the Archives … Flexabrasion: A Method for Evaluating Hair Strength
From the December 2001 issue of
Cosmetics & Toiletries
, this article describes how both bending and abrasion should be tested–along with extension–when evaluating hair strength, as the authors show here in tests of an active developed to increase the strength of bleached hair.
Method/Process
Evaluating Droplet Size in Nanoemulsions from a Novel Emulsifier System
This article describes two sophisticated techniques to measure the diameter of emulsion droplets on the nanometer scale and uses those techniques to test a new emulsifying agent capable of spontaneously creating emulsions with droplet sizes smaller than 300 nm.
Event Coverage
[video] That's a Wrap: Top News This Week from
Cosmetics & Toiletries
Essential oils, farnesene chemistry, underarm microbe transplantation, visualizing pheomelanin, layering in P&G and Beauty Blend patents, nanogels for delivery and the effects of lip tint application...if you missed this week's news, you missed out! Check out our video re-cap.
Literature/Data
Patent Picks—Microbe Separation, Emulsion Arrays and Salicylic Acid Delivery From Powder
Patent Picks are compiled by the editors from publicly available sources. This edition features processes for identifying microorganisms, forming emulsion arrays and delivering salicylic acid from powder.
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