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Color Cosmetics
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New in Color Cosmetics (page 4 of 5)
Apr 21, 2006 | 10:22 AM CDT
Resins: The Other Kind Of Silicones
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
A Dermatologic View: Nickel Compounds in Cosmetics
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
A Light-Diffusing Concept For Antiaging Effects In Makeup Formulations
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
Makeup Powders Preservation and Water Activity
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
Substantiating Claims for a Tanning Magnifier
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
In Vivo Quantitative Evaluation of Gloss
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.
Dec 13, 2005 | 10:43 PM CST
Meet D&C Black #2: A New, Old Cosmetic Color Additive
By: Jane Hollenberg, JCH Consulting
The specifications, advantages, disadvantages and handling considerations of carbon black are described, as this old cosmetic color additive – de-listed for 29 years – returns to use with a new name: D&C Black #2
Dec 13, 2005 | 10:37 PM CST
Bright Pearl Complex and Long Radiance Pigment for Enhancing Skin Luminosity
By: N. Portal, J. Guesnet, YSL Beaute; N. Abdul-Ma…
Color fading and dulling of foundation pigments can be avoided by new coating materials and application techniques, as this article demonstrates in the case of a pearl protein extract applied by a fluid air bed coating technology. This technology also treats pigments and fillers to give them optical properties to improve skin radiance.
Jul 25, 2005 | 01:05 PM CDT
Thermoplastic Silicone Elastomers Improve Nail Polish Performance
By: A. Schlosser and L. Hassenzahl, Wacker Chemica…
A new thermoplastic silicone elastomer (TPSE) is shown here to improve scratch resistance, chip-off, feel, smoothness, gloss, and color in a nail polish formulation when compared with a formulation without TPSE. The new ingredient proves to be an interesting technology for optimizing nail polishes.
Jan 07, 2004 | 03:46 PM CST
Computerized Measurement and Correction of Color Cosmetics
By: Nick Morante, Color Science Laboratory, Estee …
With a spectrophotometer and computerized color measurement software, the cosmetic chemist can do both basic color quality control and color formulation and correction easily in the lab.