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Section: Research

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Combing Through Sun and Pollutant Effects on Hair

Trefor A Evans, Ph.D., institute fellow at TRI Princeton and long-time C&T scientific advisor, offers his insights on the latest developments in hair science and what they mean to the cosmetic formulator.

With most countries placing the responsibility of cosmetic product safety on the company, nonprofit ChemFORWARD develops a new methodology to create standards in consistency and comparing traditional and natural ingredients.

ChemForward Methodology Enables Ingredient Consistency and Compatability

With most countries placing the responsibility of cosmetic product safety on manufacturers, nonprofit ChemForward has developed a methodology to create standards for consistency and comparing traditional and natural ingredients.

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Comparatively Speaking: Provisional vs. Non-provisional Patent Application

The United States is now a "first-to-file" country. Therefore, the extension of time during which an invention is covered under the application can be critical.

Comparatively Speaking: Natural vs. Oxo vs. Ziegler Alcohols

Industry expert Tony O'Lenick explains the differences between natural, oxo and ziegler alcohols to help the formulator better understand the source of their raw materials.

Comparatively Speaking: Homopolymer vs. Periodic vs. Statistical Copolymers

Tony O'Lenick discusses the differences between types of copolymers including: homopolymer, periodic (block) and statistical (random) and grafted.

Targeting the Tyrosinase Gene Via the PPARg Complex

Sederma SAS launched a skin brightening ingredient with a new mechanism of action from the heart of the melanocyte.

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Scientists Find Mitochondrial Complex II Declines with Age

A new study found the activity of mitochondrial complex II, which is a key metabolic enzyme found in human skin cells, declines as humans age, .

Researchers Observe Hair Follicle Communication for Hair Growth

Researchers at the University of Southern California's Keck School of Medicine have discovered that stem cells in hair follicles communicate with each other via a specific molecular activator/inhibitor pair to stimulate hair growth.

Comparatively Speaking: Silver Based Biocides vs. Quaternary Biocides

Industry expert Tony O’Lenick asks: What is the difference between silver based biocides and quaternary biocides? Norman Lowe from Chemlink (UK) answers the question.

Comparatively Speaking: Arrow Symbols in Organic Chemistry*

Tony O’Lenick asks organic chemistry expert and founder of website Master Organic Chemistry James Ashenhurst, PhD, to explain the eight types of arrow symbols.

Comparatively Speaking: Simple Salt vs. Ionic Liquid

Unlike common salts, ionic liquids are salts in which the ions are poorly coordinated, resulting in molecules that are liquid below 100°C. The use of ionic liquids will aid the formulator in improving delivery efficiency.

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Comparatively Speaking: Standard vs. Quantum-level Research

If you've ever conducted an experiment and could not explain the results, it could be due to hidden variables. This leads to what's referred to as quantum-level research, which is described by Nava Dayan, Ph.D., in this edition of "Comparatively Speaking."

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Comparatively Speaking: Minimally Disruptive vs. Functional Formulation

In this installment of "Comparatively Speaking," Tony O'Lenick describes formulating techniques that save time by maintaining the platform formulation while subjecting it to two types of changes in ingredients.

Comparatively Speaking: Provisional vs. Regular Patent Applications

Industry expert Tony O'Lenick asks: What's the difference between a provisional patent and a regular patent application? Louis Paul of Louis Paul and Associates provides this issue's answer.

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Commensal Microbes Trigger Repair in Injured Skin

Research published in Nature Immunology reveals how commensal skin microbes initiate repair responses in injured skin.

Comparatively Speaking: Azelaic Acid vs. Other Diacids

Diacids will become more important to the cosmetic industry, according to O'Lenick, who discusses the source and use for a number of diacids including azelaic acid.

There are many soft spots in cosmetic science, i.e., the feel of a product, the pleasure of using a cosmetic product...

[update] Comparatively Speaking: Matter vs. Mind Claims

This "Comparatively Speaking" was revived from 2008 for its relevance today. In it, Tony O’Lenick posed the question: What’s the difference between a "mind" claim and a "matter" claim? Industry expert Johann Wiechers, Ph.D., explained.

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Patent Pick: Aqueous-compatible Nanoparticle Skin Care

Patent Picks are chosen by the editors from publicly available sources. Today's pick relates to polydots to enable the formation of aqueous-compatible nanoparticle compositions for various skin treatments.

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