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New in Color Cosmetics (page 4 of 5)
Oct 02, 2006 | 10:25 AM CDT
By: Martha Graziano and Bharat Adhia, Eckart Cosme…
Data reported here illustrates that metallic pigments enhance the effects of existing colorants, expanding the existing color palette available to cosmetic formulators. Compatibility, applications and their safety profiles also are described.
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 24, 2006 | 11:23 AM CDT
By: Yun Shao, PhD, David Schlossman and Eric Smith…
Several types of PEG/PPG dimethicones and acrylate silicone copolymers were selected, and significant differences in their ability to disperse and stabilize pigments were studied. As the particle size got smaller, the color became deeper and stronger.
Apr 24, 2006 | 11:18 AM CDT
By: Qinyun Peng and Mark Tellefsen, EMD Chemicals …
Bismuth oxychloride –either high-luster dispersions or powder pigments – offers highluster pearlescence for lip, nail and hair products, and excellent skin feel and skin adhesion for other color cosmetic and personal care products.
Apr 21, 2006 | 10:22 AM CDT
By: Arndt Schlosser and Bryan Fry, Wacker Silicone…
Silicone resins trimethylsiloxysilicate and Polymethylsilsesquioxane provide transfer resistance to cosmetic formulations. Phenylcontaining silicone resins additionally provide a high refractive index and gloss. A gelbased silicone resincontaining powder adds improved skin feel and oil absorption.
Apr 12, 2006 | 07:44 AM CDT
By: Juri J. Host´ynek and Howard I. Maibach
This is the seventh article in a series discussing metals in cosmetics. The series was introduced on Jan., 1, 1998, with a discussion of the toxic potential from metals absorbed through the skin.
Mar 28, 2006 | 09:12 AM CST
By: E. Desmarthon, D. Hericher and M. Seu-Salerno
An innovative light-diffusing concept for special optical effect (nylon fibers) makes possible the immediate visualization of the reduction of signs of skin aging while maintaining a natural makeup and a youthful appearance.
Dec 23, 2005 | 06:04 PM CST
By: Valerie Vignier, Anne-Marie Mounier and Veroni…
Spores of Bacillus subtilis and selected molds were used to demonstrate the impact of different thermodynamic water activities on the behavior of microorganisms inoculated in makeup powders with or without preservatives.
Dec 23, 2005 | 04:33 PM CST
By: G. Guglielmini, Sinerga SpA
Tanning magnifiers, known in the United States as tanning accelerators, enhance the substrate or the production of melanin. One example is an innovative N-acyl derivative from L-tyrosine. This article describes a way to evaluate its pigmentation efficacy after UV irradiation. Also discussed is the regulatory status of tanning magnifiers.
Dec 23, 2005 | 03:13 PM CST
By: P. Clémenceau, S. Breugnot and B. Pouet, Bossa…
A real time polarization analysis technique is described that differentiates components of scattered light in video images and enables in vivo quantitative evaluation of gloss from hair and skin during quality control and claims substantiation.