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Section: Research > Literature/Data
Literature/Data
Comparatively Speaking: Liquid, Soft and Dry Extracts vs. Tinctures
In the following excerpt, Tony O'Lenick looks to Tony Dweck to explain the difference between liquid, soft and dry extracts and tinctures.
Literature/Data
Comparatively Speaking: Linear vs. Branched vs. Dendrimer Polymer Structures
Industry expert Tony O'Lenick explains the difference between polymer structures, the simplest being a linear chain with a single backbone, then increasing in complexity with one or more side chains or branches. Special types of branched polymers include dendrimers.
Literature/Data
Study Compiles Most-used Actives for Sensitive Skin Formulas
The study unveiled the most-used active ingredients in facial care for sensitive skin to support dermatologists and other experts in providing customized advice for this segment, and to improve formulations.
Literature/Data
Comparatively Speaking: Natural Oils vs. Man-made Glyceryl Esters
Industry expert Tony O'Lenick compares natural oils with man-made glyceryl esters, noting that natural oils are made by living systems using enzymes and are currently an attractive option for their sustainability.
Literature/Data
Industry Insight: Seeing Through Layers of Skin Care Complexity
"With today’s advances in
omics
, generally ceramidomics, proteomics or lipidomics, we understand much better the complexity of area lipids in the stratum corneum; not only for body skin, but also for the face," says Tony Rawlings, Ph.D., in this exclusive interview.
Bath/Shower
[reader favorite] Comparatively Speaking: Shampoo vs. Body Wash Formulation
For some time now, the following article from Tony O’Lenick and David Zhang, Ph.D., has drawn frequent reader interaction on
CosmeticsandToiletries.com
. Considering its overwhelming popularity and relevance to this month’s topic, it seemed appropriate to include here, for your consideration.
Literature/Data
Combinatorial Skin Care: Heredity, Experience and Enhanced Product Customization
Current approaches to skin care customization focus on the individual’s skin type with little attention to the impact of their heritage. Described here is a diagnostic tool combining intrinsic, i.e., population-driven research in the literature, with extrinsic factors collected through self-assessment.
Literature/Data
Comparatively Speaking: bis-PEG 8 Dimethicone, PEG 8 Dimethicone or Both?
What is the difference between bis-PEG 8 dimethicone, PEG 8 dimethicone and bis-PEG 8, PEG 8 dimethicone? Tony O'Lenick explains in this edition of "Comparatively Speaking."
Safety/Stability
Beauty Giants Jointly Uncover Skin Absorption of Some 50 Compounds
Researchers from P&G, L'Oréal, Pierre Fabre Dermo-Cosmétique, Beiersdorf AG and the ADME Task Force of Cosmetics Europe have undertaken a massive in vitro assessment of some 50 compounds to determine their skin absorption and toxicity potentials.
Literature/Data
Comparatively Speaking: Wetting/Eye Irritation in Trisiloxane vs. Dimethicone Copolyol
In a previous "Comparatively Speaking" column, Tony O'Lenick explained the differences between trisiloxane and dimethicone copolyol in terms of surface tension. Here he explains the differences in terms of wetting and eye irritation.
Companies
Nature
and Estée Lauder to Honor Up-and-coming Female Researchers
In a new partnership, Nature Research, publisher of the industry-renowned journal
Nature
, and multinational cosmetics giant The Estée Lauder Companies will present early-career female scientists with awards for innovating and inspiring science.
Methods/Tools
EU Commissioner Calls for Improved Speed from Innovation to Product Creation
In an interview with EurActiv, Potočnik stressed that the EU needs to improve the speed with which it transforms research into commercial products.
Literature/Data
Comparatively Speaking: Pathways to Rancidity (and How to Avoid Them)
Rancidification is a type of oxidative degradation that occurs more commonly in oils, including hydrocarbons and other organics. Here, Tony O'Lenick explores this process and provides solutions to prevent it.
Cleansing
Comparatively Speaking: The INCI Names vs. Properties of Silicone Surfactants
Surface tension is a ruling factor in the formulator's world. In this edition of "Comparatively Speaking," Tony O'Lenick explains its influence on foam and wetting; he also demonstrates how little the INCI name reveals about a material's properties.
Literature/Data
Cellulose Nanocrystal, Lauric Arginate Complexation Key to Pickering Emulsion Stability
Work published in
Food Chemistry
shows how food-grade Pickering o/w emulsions display good stability thanks to complexation between cellulose nanocrystals and lauric arginate.
Testing
Comparatively Speaking: Factors Affecting the Stability of PEG/PPG Dimethicone Formulas
PEG/PPG dimethicone polymers have a water-soluble and silicone-soluble group present in the same molecule. This review considers their stability in water in relation to pH values and over time.
Research
Comprehensive Clinical Study Validates Efficacy of DefenAge Body Cream
The study, entitled the "Impact of Defensins-Containing Body Cream on Skin Composition" and was published by the Journal of Cosmetic Dermatology.
Literature/Data
Comparatively Speaking: Naturally Occurring vs. Naturally Derived vs. Chemically Modified Butters
Tony O'Lenick explains the difference between naturally occurring, naturally derived and chemically modified butters since some butters possess better cosmetic properties, which is of use to the formulator.
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