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Dec 01, 2005 | 03:52 PM CST
By: L. Danoux, C. Jeanmaire, V. Bardey, G. Périé, …
According to a concept proposed here, protection of nuclear DNA and mitochondrial DNA against UVB and UVA radiation can break the vicious cycle responsible for skin photoaging.
Nov 01, 2005 | 04:14 PM CST
By: Albert Shansky, PhD, Albert Shansky Consultant…
Antichaotropic salts stabilize cysteine by lowering the water activity in an aqueous solution. This technique can be used to extend the shelf life of cysteine permanent wave solutions.
Nov 01, 2005 | 02:59 PM CST
By: Bernice Ridley and Colleen M. Rocafort, Ciba S…
More than 20 polymers from seven companies are reviewed in this survey of recent polymer technologies for hair care. A variety of new functions and multifunctionalities are seen in these products launched within the past two years.
Nov 01, 2005 | 02:55 PM CST
By: Anthony J. O'Lenick, Jr., Siltech LLC
Understanding the interactions of surfactants is important to optimizing their properties in formulations. The author describes how the anionic/cationic interaction is critical to properties such as foam, viscosity, conditioning properties and minimal irritation.
Nov 01, 2005 | 02:52 PM CST
By: Y. K. Kamath, TRI
Torsional properties are described by the author as a method to distinguish between the surface and the bulk effects of actives in hair formulations.
Nov 01, 2005 | 02:44 PM CST
By: Randy Schueller and Perry Romanowski, Alberto-…
In this survey from the literature, various writers describe a model of the inside of a hair strand, showing a multilamellar structure of the cuticle cells, a multifibril structure of the cortex, and a variety of lipids that are thought to be major contributors to the hair’s physical properties. What exactly is hair? Simply put, the answer is that hair is protein. But this simple answer does not even begin to explain the complexity and sophistication of the hair fiber.
Sep 30, 2005 | 03:52 PM CDT
By: Giovanni Pantini, Solvay Solexis SpA
Clinical studies described here show that perfluoropolyether phosphate behaves as a very mild acidic agent, being effective in decreasing the pH without increasing the collateral effects of acidic compositions.
Sep 30, 2005 | 03:49 PM CDT
By: Zoe Diana Draelos, MD, Department of Dermatolo…
Dermatologic innovations are addressing the symptoms of aging skin by restoring skin thickness, enhancing humectancy, maintaining barrier function and reversing or preventing inflammation.
Sep 30, 2005 | 03:42 PM CDT
By: David S. Morrison, Ph.D., and Lara G. Leur, Pe…
The authors examine the meaning of the term natural and assert that it applies to both petrolatum and petrolatum’s vegetable-based alternatives. They further assert the advantages of petrolatum as a safe, well-established moisturizer.
Aug 31, 2005 | 06:19 PM CDT
By: Dr. Martin Rieger, PhD, M & A Rieger Associate…
The author reviews recent publications discussing the protection of human skin against photodamage, reactive oxygen species, and other skin health topics.