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New in Application/Category (page 41 of 53)
Dec 13, 2005 | 11:23 PM CST
Dermal Tolerance, Safety and Efficacy of Insect Repellents in Personal Care
By: Germain Puccetti, EMD Chemicals Inc.
This article discusses the main commercial insect repellent active chemicals and their efficacies in light of their tolerance by the human skin and body. Implications for finished product formulation are also discussed.
Dec 13, 2005 | 11:13 PM CST
Humectants: More Than Meets The Eye (or Skin)
By: Ken Klein, Cosmetech Laboratories
Whenever we are asked to formulate an emulsion, we think of and usually add a humectant. A humectant being defined as “a substance that promotes retention of moisture.” It is derived from Latin “hu-mecta-ns, hu-mecta-nt, present participle of hu-mecta-re, to moisten, from hu-mectus, moist, from hu-me-re, to be moist.” But these versatile materials deserve our respect. They have functions that go far beyond this simplistic definition!
Dec 13, 2005 | 11:08 PM CST
Manufacturing Microalgae for Skin Care
By: Patrick Stolz and Barbara Obermayer, Pentapha…
Biotechnology methods are described for manufacturing of contaminant-free microalgae with potential skin care benefi ts, such as collagen synthesis and reduction of intracellular oxidative stress.
Dec 13, 2005 | 11:05 PM CST
Anti-dandruff Efficacy of Sodium Shale Oil Sulfonate Versus Coal Tar
By: Guido Gayko, PhD, Jürgen Warnecke, MD and Clau…
Coal tar is an effective antidandruff active, but it contains compounds that are proven carcinogens. In this article sodium shale oil sulfonate is shown in preliminary results for the first time to have antidandruff efficacy equivalent to that of coal tar with none of coal tar’s toxic potential.
Dec 13, 2005 | 11:03 PM CST
Evaluating Polyimide-1, a Styling Resin for Gel and Mousse Formulations
By: Nancy Clements, International Specialty Produc…
This article surveys a variety of tests used to evaluate polyimide-1, a new hair styling resin, by comparing its performance against that of PVP in gel and mousse formulations.
Dec 13, 2005 | 11:01 PM CST
Protecting Against UV-induced Degradation and Enhancing Shine
By: Philippe Maillan, Anna Gripp, Fintan Sit, Rola…
The data presented shows polysilicone-15 demonstrates the ability to perform as a UV fi lter for hair protection and decreases the combing force necessary after irradiation to sample hair tresses in addition to enhancing the shine attribute of a formulated product.
Dec 13, 2005 | 10:49 PM CST
Stabilized Solutions of Zinc Coceth Sulfate for Skin Cleansing and Skin Care
By: Luigi Rigano, L. Rigano Laboratories; Elisabet…
Tests described here show that chelating agents can stabilize solutions of zinc coceth sulfate, enabling this multifunctional active to provide mild skin cleansing, antidandruff, deodorant and skin renewal benefits. The role of zinc species deposition onto skin has also been investigated.
Dec 13, 2005 | 10:45 PM CST
Effect of New Regulations on Hair Colouring Products in the EU
By: R.J.W. Hefford, Independent Cosmetic Advice Lt…
The author suggests that current and evolving regulations may lead to a positive list and fewer allowed raw materials for hair colouring products in the European Union.
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.