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Skin Care
New in Skin Care (page 20 of 21)
May 06, 2003 | 02:00 AM CDT
Treatment of Photoaged Hands
By: Barbara A. Green, Brenda L. Edison and Yaling …
A hand cream containing a combination of alpha hydroxy acids and polyhydroxy acids has antiaging benefits on the hands.
May 06, 2003 | 02:00 AM CDT
An MPC Phospholipid Polymer with Skin Protection Benefits
By: Mamoru Tsuchida and Kunio Shimada, NOF Corpora…
A new phospholipid polymer has been developed for various applications, including cosmetics. In this report, the authors evaluate the polymer's ability to reduce several indicators of surfactant-irritated skin. They also demonstrate the polymer's potential for increasing the lasting time of perfumes.
May 06, 2003 | 02:00 AM CDT
Mentor Series—Self-Tanners: Formulating with Dihydroxyacetone
By: Ratan K. Chaudhuri and Christina Hwang, Rona/E…
This paper discusses the background behind the development of self-tanning products using DHA. Its structure, chemistry, self-tanning mechanism and formulation guidelines are also discussed.
May 06, 2003 | 02:00 AM CDT
Algal Active Substances
By: Xavier Briand, SECMA
In recent years, ingredients from the sea have shown to be effective in cosmetic applications. In this article, the author explains how some of these ingredients can be used successfully in personal care formulations.
May 06, 2003 | 02:00 AM CDT
Cationic Emulsifiers: A Most Underutilized Category
By: Ken Klein
Cosmetic chemists have at their disposal a seemingly endless supply of emulsifiers from which to choose. By far, the most popular category of emulsifiers is “soap"–the reaction product between a fatty acid typically stearic acid) and an alkali earth metal (typically sodium hydroxide, occasionally potassium hydroxide).
May 06, 2003 | 02:00 AM CDT
Refractive Index Matching: Principles and Cosmetic Applications
By: James Ziming Sun, PhD, Michael C. Erickson and…
Clear emulsion formulas can be achieved by matching refractive indexes (RI) of water phase and oil phase. The match is achieved by varying the ratio of water and glycols, as show in several skin and hair care formulas.
May 06, 2003 | 02:00 AM CDT
An Olive Oil- and Wheat-Derived Lipoprotein Emulsifier
By: M. D'Angelo, G. Proserpio, and G.B. Rastrelli,…
Olive oil and hydrolyzed wheat protein can be combined to form a lipoprotein that functions as an emulsifier and a "green" surfactant.
May 06, 2003 | 02:00 AM CDT
Low-Energy Emulsification: Beyond Energy Conversation
By: T. Joseph Lin, PhD, Consulting Chemical Engine…
The quality of emulsions manufactured with low-energy emulsification can be equal or even superior to the same emulsions made by a conventional hot process if conditions are optimized.
May 06, 2003 | 02:00 AM CDT
Kaolin: A Performance Additive for Cosmetics and Pharmaceuticals
By: Olga V. Dueva and Gabriel E. Uzunian, Engelhar…
This overview describes kaolin, a naturally occurring alumino-silicate mineral that has new applications based on its absorbency, gentle abrasiveness, rheology modification, pigment extension compressibility and barrier-forming properties.
May 06, 2003 | 02:00 AM CDT
Treating Dark Under-Eye Circles with Topical Vitamins A and K
By: Dipak Ghosh, PhD, Alberto Culver USA Inc.; Mel…
The authors report studies indicating that topical vitamins A and K may reduce the darkness of the under-eye region that often appears as people age.