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Methods & Processes
New in Methods & Processes (page 3 of 17)
Apr 24, 2012 | 03:08 PM CDT
Comparatively Speaking: Solubility vs. Extraction
By: Anthony J. O'Lenick Jr., Siltech LLC
In this installment of "Comparatively Speaking," industry expert Tony O'Lenick describes the difference between solubility and extraction, and how various extraction techniques can be used to isolate desired cosmetic actives.
Mar 28, 2012 | 08:49 AM CDT
Patent Picks—PUFA Production, Biodegradable Elastomers, Xanthohumol-Enriched Hop Extract and More
By: Rachel L. Grabenhofer, Cosmetics & Toiletries …
Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features eco-friendly and sustainable processes as well as nature-derived ingredients for personal care applications.
Jan 13, 2012 | 12:00 PM CST
Survey Finds R&D to Increase in 2012 With Emphasis On Innovation
A survey conducted by the Industrial Research Institute (IRI) has found that R&D spending is expected to increase in 2012. The company's 2012 R&D Trends Forecast also found that new product development will increase in 2012.
Jan 06, 2012 | 01:32 PM CST
New Perspectives in Emulsion Formation
By: Katie Anderson (Schaefer), Cosmetics & Toiletr…
Previously, the theory explaining emulsion behavior was based on the equilibrium contact angle of the particle at the interface; however, Vinothan N. Manoharan, PhD, and his team at Harvard believe the time allowed for the system to reach equilibrium and the force pushing the particle to the interface are equally as important.
Dec 13, 2011 | 10:25 AM CST
Researchers Suggest New Way to Look at Manufacturing Emulsions
Researchers at Harvard's School of Engineering and Applied Sciences (SEAS) have discovered that stabilized emulsions may take months to years to reach equilibrium. This research has important implications for the manufacturing processes used in pharmaceuticals, cosmetics and foods, among other chemical industries.
Nov 02, 2011 | 09:28 AM CDT
Comparatively Speaking: Patent vs. Trade Secret
By: Anthony J. O'Lenick Jr., Siltech LLC
In this "Comparatively Speaking," Tony O'Lenick explains the difference between patents and trade secrets, both of which cosmetic chemists will encounter during their careers. This information will assist in determining whether a technology should be patented or maintained as a trade secret.
Oct 28, 2011 | 03:28 PM CDT
Properties of O/W Emulsions with Anisotropic Lamellar Phases
By: Gerd Dahms, ICI Specialty Chemicals Group, Atl…
In cosmetic and pharmaceutical creams and lotions, fatty alcohols are well-known as viscosity modifiers. In addition, Schulmann and Cockbain found that the stability of oil-in-water emulsions was greatly increased by addition of cetyl alcohol.
Oct 28, 2011 | 01:42 PM CDT
Silicone Safety and the Cosmetic Industry
By: James Lambert, PhD NuSil Technology LLC
The use of silicones in personal care products continues to expand because of the unique performance attributes they provide and their well-established record of safety. As a result, progressively larger volumes of silicones are being released to the environment, and interest in their life cycle has increased. The present article summarizes relevant fundamental chemical and physical properties of silicones and how these relate to material performance, safety and environmental fate.
Oct 05, 2011 | 02:12 PM CDT
Formula Troubleshooting—Microemulsion Systems
By: Peter Tsolis, The Estee Lauder Companies; and …
Microemulsions have long assisted the pharmaceutical industry in delivering efficacious levels of an active ingredient to the skin by enhancing the active’s bioavailability, versus traditional solutions and dispersions.
Oct 04, 2011 | 03:49 PM CDT
Comparatively Speaking Compound vs. Composition
By: Anthony J. O'Lenick Jr., Siltech LLC
Here, industry expert Tony O'Lenick explains the difference between a compound and a composition, as understanding their differences can lead to better formulation.