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Methods & Processes
New in Methods & Processes (page 7 of 17)
Oct 01, 2010 | 11:01 AM CDT
Stability Testing of Cosmetics: Call for Comments
The Personal Care Products Council is requesting public comments on a new Guideline for Stability Testing of Cosmetics by November 15, 2010.
Sep 29, 2010 | 10:47 AM CDT
Cellulosic Propylene Glycol Production
By: Katie Schaefer, C&T magazine
Walter Trahanovsky, PhD, a professor at Iowa State University's department of chemistry, and his team have developed a method to convert cellulose to glucose using pressure and high temperatures, but he was surprised to find the method also produced ethylene glycol and propylene glycol—two high value chemicals, one a major component in skin care products.
Sep 29, 2010 | 10:40 AM CDT
Amphiphilic Silicones to Extract Botanical Actives
By: Anthony J. O'Lenick, Jr., Siltech LLC, and Kev…
Silicone-based compounds enable chemists to extract the desired fractions of materials from plants as well as impart cosmetic aesthetics. Here the authors discuss how to extract actives using amphiphilic silicones that have different partition coefficients, which are obtained by altering the ratio of oil-, water- and fluoro-soluble groups on the silicone molecule.
Aug 31, 2010 | 04:40 PM CDT
Comparatively Speaking: cGMP vs. ISO
By: Anthony J. O'Lenick Jr., Siltech LLC
Tony O'Lenick draws on the expertise of Joe Albanese of 3V Inc. to discuss the differences between cGMP compliance and ISO certification.
Aug 04, 2010 | 11:14 AM CDT
Article Not Available
Due to technical difficulties, this article is not available. C&T magazine apologizes for the inconvenience.
Aug 03, 2010 | 04:57 PM CDT
Comparatively Speaking: Lowering Surface Tension in Water vs. Oil
By: Anthony J. O'Lenick Jr., Siltech LLC
Industry expert Tony O'Lenick discusses the differences between lowering surface tension in water vs. oil phases, noting that formulators should consider surface tension and its role when choosing ingredients for either phase.
Jul 30, 2010 | 02:45 PM CDT
Antiaging in a Different Light: Assessing How Chromophores Color Perception
By: Philippe Mondon, Nada André, Emmanuel Doridot,…
Aging influences cutaneous parameters that give rise to progressive changes in three skin chromophores, altering the visual homogeneity of skin. To address these changes, the authors developed and examined the effects of a complex based on Siegesbeckia orientalis and Rabdosia rubescens using a novel skin imaging technique.
Jul 13, 2010 | 02:51 PM CDT
Storage Studies of Preservative Solutions in Commonly Used Plastic Containers
By: T.J. McCarthy, University of Western Cape, Bel…
In an interesting article published in this journal recently, Armstrong reviewed work done on the uptake of preservatives by plastic packaging materials, a subject of importance to both the pharmaceutical and cosmetic industries.
Jun 29, 2010 | 05:21 PM CDT
Comparatively Speaking: Cold- vs. Solvent- vs. Heat-Processed Oils
By: Anthony J. O'Lenick Jr., Siltech LLC
As the demand for natural and/or sustainable personal care products increases, the popularity of formulating with natural oils has grown. Here, Tony O'Lenick illustrates how choosing the right oil process method can yield a different result for the formulator.
Jun 15, 2010 | 06:00 PM CDT
Water-based Plant Extract Emulsion Technology
Analyses Recherches Innovation Instrumentale (AR2i) has introduced a water plant emulsion processing technology to enable the production of ultra fine fluid emulsions with extracts of plants.