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324 Results
Section: Research > Literature/Data
Literature/Data
Comparatively Speaking: PPG vs. PEG
The chemistry of PEG, PPG or combinations thereof have an impact on the functional properties of formulas. Knowledge of these materials will help the chemist understand both the effects of reacting these materials on fatty alcohols as well as the performance of emulsifiers and wetting agents.
Literature/Data
Comparatively Speaking: Oleophilic vs. Siliphilic
Industry expert Tony O'Lenick explains the difference between oleophilic and siliphilic.
Literature/Data
Comparatively Speaking: Inflammation vs. Allergy
Are you formulating for sensitive skin? Or is it really normal skin undergoing a typical inflammatory response? Where do allergic reactions fit in? In this edition of "Comparatively Speaking," Nava Dayan, Ph.D., explains.
Literature/Data
Comparatively Speaking: Adsorption vs. Absorption
Tony O’Lenick explains the difference between absorption and adsorption for the benefit of novice formulators.
Cosmetic Ingredients
Comparatively Speaking: Formulating by Numbers
What's the difference between a good and a great article? According to Tony O'Lenick, the latter gives readers the bottom line in a no-nonsense format. He illustrates with this "formulating by numbers" article, written around tables and geared toward chemists.
Literature/Data
Comparatively Speaking: Silicon Dioxide, Silicon and Silicone
This column is intended to provide an understanding of the relationships between these raw materials and the silicones found in personal care.
Literature/Data
CBD & Retinol’s Powerful Combination Potential
Combining retinol and CBD could decrease the irritating effects of retinol and allow the potent ingredient to be used at higher concentrations, per an article from Well and Good.
Methods/Tools
Comparatively Speaking: Patent vs. Trade Secret
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.
Literature/Data
Comparatively Speaking: Types of Flow Behavior
The following excerpt is adapted from an article by Kelly Dobos of Kao Corp. that discusses fluid viscosity of cosmetic products, specifically types of flow behavior, which can be used by the formulator to determine the rheological properties of formulations.
Literature/Data
Comparatively Speaking: Methicone, Dimethicone and D4
Silicone fluids, PEG/PPG dimethicone and alkyl dimethicone are three analogues, differing in the presence and type of groups in the polymer, but all having the dimethicone unit present. Learn more about their chemistry.
Rheology/Thickener
Comparatively Speaking: Carbomer vs. Alkyl Carbomer
Tony O’Lenick looks to Sergio R.S. Costa, of Chemflex Quimica, to explain the difference between carbomer, a series of polymers of acrylic acid, and alkyl carbomer, copolylmerized acrylic acid and alkyl acrylate.
Literature/Data
Comparatively Speaking: The Meaning of Subscripts
In this look at chemical structures, Tony O'Lenick reviews the meaning of subscripts in the context of polymers.
Tech Transfer
Personalized Cosmetics: Has the Time Come?*
Personalized medicine, aided by advances including pharmacogenomics, is ready for mainstream clinical adoption. These authors suspect such techniques could be applicable for personalized cosmetics, complete with tolerance and efficacy considerations. Click through to the digital magazine to read more.
Literature/Data
Exclusive! Comedic Chemistry By Ken Klein
Industry expert Ken Klein brings a little comedy to the bench with a few chemistry riddles...
Literature/Data
Exclusive! Comedic Chemistry by Ken Klein
Industry expert Ken Klein brings a little humor to the bench with a few chemistry jokes.
Literature/Data
Exclusive! Comparatively Speaking: Cream vs. Lotion
Industry expert Tony O’Lenick asks: What’s the difference between a cream and a lotion? The answer this week is provided by the Wikipedia.
Literature/Data
Exclusive! Comedic Chemistry by Ken Klein
Industry expert Ken Klein brings a little humor to the bench with a few chemistry jokes.
Event Coverage
Editor's Note: Testing the Comfort Zone
Is it just me, or 10 years ago—perhaps even five—would we never have expected to see epigenetics or visible light emerge in the context of cosmetics R&D?
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