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May 06, 2003 | 02:00 AM CDT
Antidandruff Herbal Cosmeceuticals: A Novel Approach
By: Vishal A. Jadhav and Sulbha A. Phadnis, Mumbai…
Tulsi oil and tea tree oil are among the herbal essential oils that provide antidandruff activity in hair-care products because of their antimicrobial action against Pityrosporum ovale and Candida albicans.
May 06, 2003 | 02:00 AM CDT
Flexabrasion: A Method for Evaluating Hair Strength
By: J. Alan Swift, Developmental Toxico-Pathology …
Both bending and abrasion should be tested—along with extension—when evaluating hair strength, as the authors show in tests of a new active for increasing the strength of bleached hair.
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
Stable Conditioning Shampoos Containing High Molecular Weight Dimethicone
By: James Ziming Sun, PhD; James W. Parr and Darcy…
Stable conditioning shampoos containing high molecular weight dimethicones can be achieved by several techniques, such as choosing the proper surfactant and decreasing the particle size of dimethicone.
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.
May 06, 2003 | 02:00 AM CDT
Liquid Cosmetic Esters using Propoxylation Technology
By: Anthony J. O'Lenick, Jr., Siltech LLC
Reacting fatty alcohols with propylene oxide and then derivatizing the products allows the synthesis of cost-effective liquid cosmetic esters having a range of melting points.
May 06, 2003 | 02:00 AM CDT
BEMT: An Efficient Broad-Spectrum UV Filter
By: Sebastien Mongiat, Bernd Herzog, Cyrille Desha…
Efficient broad-spectrum UV protection is provided bisethylhexyloxyphenol methoxyphenyl triazine (BEMT), an oil-soluble, photostable UV absorber that offers improved UVA protection and synergy with UVB filters.
May 06, 2003 | 02:00 AM CDT
Gelled Emollient Systems for Controlled Fragrance Release and Enhanced Product Performance
By: Lin Lu Healy, Penreco
Block copolymer blends dissolved in white mineral oil or similar non-polar materials can produce heterophase, thermally reversible, crystal-clear gels that possess many desirable properties for the cosmetic and pharmaceutical industries.
May 06, 2003 | 02:00 AM CDT
New Cellulose Derivatives in Personal Care Formulations
By: K Bergstrom, A Busk and I Johansson, Akzo Nobe…
Hydrophobic modified cellulose ethers can be used to thicken formulations containing high concentrations of anionic surfactants by adding nonionic surfactants to the system. Implications are shown for liquid soaps and hair shampoos.
May 06, 2003 | 02:00 AM CDT
How Do I Thicken my Cosmetic Formula
By: Dennis Laba, Elementis Specialties
This article explains how to select a thickener from nine basic thickener groups that enable the chemist to change a product's viscosity and rheological properties, such as stability, feel and flow.