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Section: Research > Methods/Tools

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: GLC vs. GPC

Tony O'Lenick explains the difference between two types of chromatography: gas liquid chromatography (GLC) and gel permeation chromatography (GPC), both used to separate compounds in mixtures.

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Comparatively Speaking: Soluble vs. Insoluble

What’s the difference between something that is soluble vs. insoluble? Tony O’Lenick explores this notion. At first, he writes, this may seem quite simple but a deeper investigation provides formulation insight.

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Scale-up Success Requires Compromise

The in-cosmetics Global technical session on scale-up success was, in and of itself, a scale-up success as it left standing room only for a crowd of attendees eager to learn tips, tricks and best practices.

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.

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.

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Comparatively Speaking: Natural Oil Grades

The use of natural oils (triglycerides) is becoming more important for sustainable and biodegradable formulas but oils are processed in many grades. In this article, Tony O'Lenick explores their differences.

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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.

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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.

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.

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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.

Comparatively Speaking: Emulsion vs. Invert Emulsion

Industry expert Tony O'Lenick explains the difference between an emulsion and an invert emulsion.

Comparatively Speaking: Density vs. Specific Gravity

Formulators often are faced with product specifications for which the tests are not chemical but physical. Oftentimes, the terms describing these physical traits are not clearly defined. Two such terms are density and specific gravity.

Comparatively Speaking: Precision vs. Accuracy in Formulating

Tony O'Lenick explains the difference between precision and accuracy as it relates to formulating; for instance, in the case of raw material consistencies between batches.

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.

Comparatively Speaking: Green vs. Greening Cosmetic Formulations

Tony O'Lenick explains the difference between 'green' cosmetic formulations and 'greening' cosmetic formulations, and introduces the concept of the Green Star Rating.

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Comparatively Speaking: Homologous vs. Analogous Polymers

What can we learn from the structure/function differences within a chemical family? In this installment of "Comparatively Speaking," Anthony J. O'Lenick, Jr., illustrates with a closer look at homologous vs. analogous polymers.

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Comparatively Speaking: Mentors, Maestros and Mosquitoes

As a recent semi-retiree of the cosmetics R&D industry (he's still consulting), Tony O'Lenick shares his advice on how to make the most of personal connections in this installment of his "Comparatively Speaking" column.

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