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125 Results
Type: Article
Method/Process
A Dermatologic View—Bioengineering Analysis of Water Hydration
The water content of the stratum corneum (SC) influences almost every biophysical property measurable at the skin surface. Water hydration can be measured using the plastic occlusion stress test (POST) or the water sorption-desorption test (WSDT). These are detailed in the present article.
Hair Care
New Shampoo Technologies: Between the Shock Waves
Though shampoo technology is not presently experiencing sudden and dramatic change, the author reviews several recent advances in materials, test methodology (combinatorial chemistry), and formulation approaches (structured surfactant technologies).
Methods/Tools
Deposition from Conditioning Shampoo: Optimizing Coacervate Formation
New techniques are being offered to produce formulations faster and more cost effectively than ever before. Researchers at the Institute for Formulation Science have addressed this challenge by developing robotic combinatorial techniques for the preparation and investigation of complex mixtures.
Cleansing
Formulating on Trend: Shampoo Bar
In this installment of "Formulating on Trend," the author explains how water scarcity and eco-friendly practices have motivated consumers to choose waterless cosmetics. She breaks down the popular shampoo bar as an example.
Hair Care
Replacements for Silicone in Shampoo Formulations
Hair care manufacturers who wish to create products without silicones must find effective and innovative ingredients that provide a sensorial profile close to silicone, while keeping performance and cost in mind.
Method/Process
Using Texture Analysis to Substantiate Hair Care Claims
Texture analysis provides quantitative information about a material’s response when deformed by a controlled force. When texture analysis is applied to hair treated with various conditioners and styling fixatives, the results can help substantiate claims made about the effectiveness of these hair care products.
Hair Care
Novel Shampoo Effects from Solvay
During in-cosmetics 2014, Solvay launched a conditioning solution created to meet market demands for silicone-free, sulfate-free, oil-based and oil-free shampoos. The system targets not the hair type, but the type of effect desired from shampoos.
Research
Improve Your Haircare Formulations with Surface Zeta Potential Analysis
Want to improve the formulations of your shampoos and conditioners? Want to find out how to determine if a shampoo or conditioner has the desired effect on hair? Zeta potential measurements can help.
Cleansing
Comparatively Speaking: CAPB from Coconut Oil vs. Fatty Acid
Anthony J. O'Lenick, Jr., explains that CAPB can be made from two different processes, one with coconut oil and the other with fatty acid, which create two potential differences that affect how the material works in a formulation.
Formulating Basics
Label Challenge Answer—Equate Moisture Care: Cocoa Divine Body Oil Gel
This week's Label Challenge answer is a body oil gel applied after washing that refreshes dry skin. Visit our socials on Monday for next week's challenge.
Hair Care
Structured Surfactant Systems for High Performance Shampoos
Specialized surfactant systems that form multilamellar vesicles can be used to design high performance shampoos that outperform micellar formulas. These materials combine with and stabilize actives ranging from molecular to particulate, liquid to solid, and hydrophobic or cationic, to deliver them equally to damaged and virgin regions of hair to act where they are needed most.
Sun Protection
Interpretation of SPF In vivo Results: Analysis and Statistical Explanation
Methods for determining SPF in vivo are based on a biological response by human skin. To overcome intrinsic variation in these methods, large numbers of volunteers and statistics are required; however, these concepts are often poorly understood or worse, misinterpreted. This article discusses how these values should be interpreted and explains what they mean to formulators.
Sun Protection
Interpretation of SPF In vivo Results: Analysis and Statistical Explanation
Methods for determining SPF in vivo are based on a biological response by human skin. To overcome intrinsic variation in these methods, large numbers of volunteers and statistics are required; however, these concepts are often poorly understood or worse, misinterpreted. This article discusses how these values should be interpreted and explains what they mean to formulators.
Natural/Sustainable
Alternative Ingredients for Sustainable Shampoo Development
In this article, several ingredients are reviewed for the development of sustainable shampoo formulations. Some are plant-based alternatives to existing, petrochemically sourced ingredients. Others are mild, sulfate-free and/or ethoxylate-free alternatives; thickening solutions for naturally derived polymers; and efficacy boosters that reduce the use of non-renewable actives with equal benefit for the consumer.
Hair Care
Formulating Shampoo: Strategies, Dandruff and Ingredients
This column reviews basic shampoo formulation strategies then looks to dandruff mechanisms and the ingredients and strategies used to address it, including new concepts on the horizon for future product development.
Sensory
Using Texture Analysis to Benchmark Cosmetic Quality
The present article describes in detail how spreadability testing is performed using a texture analyzer. This ensures products meet their benchmarks, improving the chances of user acceptability.
Method/Process
Texture Analysis to Quantify Skin Care Product Efficacy
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.
Literature/Data
Cerebral Beauty: Emotions and Aging, an Ayurvedic Analysis
How might mind-body connections improve skin care? This article provides modern insights as illustrated through ancient ayurvedic principles. The fact that negative emotions and psychological stress affect aging is not ancient folklore, it has been validated scientifically; telomeres, for example, are shorter in pessimists.
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