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Type: Article

Comparatively Speaking: Hysteresis vs. Syneresis

Industry expert Tony O'Lenick defers to his son Thomas O'Lenick, technical director at SurfaTech Corp., to explain the difference between hysteresis and syneresis, as they can affect the aesthetics and physical properties of a formulation.

Comparatively Speaking: Evaporation vs. Boiling

Industry expert Tony O'Lenick explains the difference between two types of vaporization: evaporation and boiling, for the benefit of novice formulators.

Comparatively Speaking: Cushion vs. Playtime

"Cushion" does not last forever, and the length of time it takes for the cushion to disappear is referred to as "playtime." Similar to cushion, playtime is dependent upon a variety of factors intrinsic to oil and how it interacts with the skin.

Comparatively Speaking: Prokaryote vs. Eukaryote

Cosmetic scientists are interested in the difference between prokaryotes and eukaryotes for preservation and antibiotic development.

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Comparatively Speaking: HLB vs PIT

HLB and PIT are both important concepts for making emulsions. They provide different information, however, so both should be used to optimize emulsions. Tony O'Lenick, et al., explain.

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Comparatively Speaking: HLB vs. SLB

Efficiently formulating products using alkyl dimethicone polymers requires knowing their composition, solubility in the oil phase chosen, and a metric to understand which values are necessary for that particular oil phase. SLB is a starting point for such determinations.

Comparatively Speaking: SPF and Calculated SPF

In order to prepare the industry for the upcoming Sunscreen Symposium, organized by the Florida chapter of the Society of Cosmetic Chemists, industry expert Tony O’Lenick asks Dennis Lott to explain the difference between SPF and calculated SPF. This is the first of two columns on sun protection.

Comparatively Speaking: cGMP vs. ISO

Tony O'Lenick draws on the expertise of Joe Albanese of 3V Inc. to discuss the differences between cGMP compliance and ISO certification.

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The Complete and Natural Cyclomethicone Replacement

Go beyond silicone replacement: build a pure, effective, and clean formulation base your end customers and supply chain will love.

Comparatively Speaking: Complex Esters from Neopentyl Glycol vs. Trimethylol Propane vs. Pentaerythritol

Complex esters are an important class of compounds in the personal care market. These include fatty derivatives if neopentyl glycol, trimethylol propane and pentaerythritol.

Comparatively Speaking: Density vs. Specific Gravity

This edition of "Comparatively Speaking" by industry expert Tony O'Lenick compares a product's density with its specific gravity, which are important measurements for formulators to understand especially when considering product specifications.

Comparatively Speaking: CMC vs. RF50

Industry expert Tony O'Lenick refers to his son and polymer scientist at the University of Tennessee, Thomas O'Lenick, to explain the difference between critical micelle concentration and reduction factor 50% (RF50) with regard to measuring silicone surfactant effectiveness.

Lips Make a Comeback in US, UK

The average price spent on prestige lip color in the U.S. between September 2012 and August 2013 was $22, a 5% increase from the prior year. The average amount spent on lip color across Europe increased slightly as well compared last year.

Silicone Compounds–New Formulation Possibilities

Tapping into little understood products selected from a class of well known compounds can provide formulation advantages. PEG/PPG dimethicone compounds, alkyl dimethicone compounds and alkyl PEG/PPG dimethicone compounds are three classes of compounds that offer far more utility in personal care products than is generally appreciated by formulators.

Ingredion operates in more than 100 countries and has built a network of 27 Idea Labs innovation centers around the world, including a flagship lab in Bridgewater, New Jersey.

Complete Solutions for Fast Innovation

How Ingredion’s innovation strategy has been reshaped by speed-to-market and clean label demands, sustainability and more.

Comparatively Speaking—Creativity vs. Innovation

In this philosophical discussion, Tony O'Lenick considers the differences between creativity and innovation, and how they can lead to success in the consumer market.

Comparatively Speaking: Color vs. Fluorescence

Here, industry expert Tony O'Lenick explains the difference between color and fluorescence, as understanding the effects of fluorescence can lead to a better visual appearance to skin.

Comparatively Speaking: Wetting vs. Superwetting

In this edition of "Comparatively Speaking," industry expert Tony O'Lenick discusses the terms wetting and superwetting in relation to the ability of a surfactant to wet a substrate.

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