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New in Function (page 143 of 171)
May 01, 2006 | 11:13 AM CDT
By: Bud Brewster
In the search for more exciting cosmetic colors, the cosmetic chemist can draw on colors that are more exciting by definition. They are the fluorescent colors.
May 01, 2006 | 11:02 AM CDT
By: T. Tadros, Consultant; S. Leonard, M.-C. Taelm…
This paper describes the correlation between the structure of liquid crystalline phases in emulsions and their rheological characteristics. An oleosome/lipophilic liquid crystalline-forming system and hydrosome/hydrophilic liquid crystalline-forming system were investigated. At the same high shear rate viscosity, the oleosome-system showed less thixotropy and rapid recovery when compared with the hydrosome-system.
May 01, 2006 | 10:31 AM CDT
By: Timothy Gao, Ph.D., Robert Bird and Abel Perei…
Well-structured multilayer lamella vesicle phase encapsulated actives enhance the diffusion of dye intermediates and coupling agents into the hair cortex, reducing the evaporation rate of volatile ammonia in coloring mixtures and showing better bleaching/coloring performance.
May 01, 2006 | 10:28 AM CDT
By: Patrick Obukowho, Advantage Research Lab LLC
Relaxer emulsions have unique requirements regarding pH, hydrophilic-lipophilic balance and minimizing irritation potential. This article suggests ways to meet these requirements and provide an ideal emulsion base for relaxer actives.
May 01, 2006 | 10:26 AM CDT
By: A. Roddick-Lanzilotta and R. Kelly, Keratac Lt…
UV protection and sacrificial targets for aggressive pollutants are two hair-protection strategies employed by a new keratin biopolymer manufactured from wool.
Apr 28, 2006 | 12:17 PM CDT
Arkema launched an ingredient to reflect light and disguise the appearance of wrinkles...
Apr 27, 2006 | 09:26 AM CDT
By: Phil Linz & Qinyun Peng, EMD Chemicals Inc.
Interference pigments have been used since the early 1970’s to provide iridescent, pearl-like and other effects to color cosmetics. Recent developments have pioneered a new generation of specialeffect pigments for cosmetics.
Apr 27, 2006 | 09:19 AM CDT
By: Allison Hunter and Melanie Trevino, New Phase …
Linear polyethylenes and long-chain alcohols are alternatives to stearyl alcohol for gelling systems based on cyclomethicone. These materials have particular utility in formulations for antiperspirant or deodorant sticks and soft solids.
Apr 27, 2006 | 07:49 AM CDT
By: David C. Steinberg, Steinberg & Associates
The 7th Amendment to the Cosmetic Directive of the European Union (EU) has added 26 new contact allergens that the EU states must be listed on the ingredient declaration if they exceed certain minimum levels.
Apr 27, 2006 | 07:45 AM CDT
By: Caroline Segond, Eric Théron, Virginie Petit a…
Madecassoside and one of its isomers, terminoloside, are responsible of the infl ammatory response modulation on stressed keratinocytes. This highly purified and titrated blend of triterpenes, extracted from Centella asiatica, is preventing immune disorders, protecting the cells and preserving the keratinocytes renewal potential.