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Type: Article

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Patent Pick: Compact Powders Ready for Impact

Cosmetic powders are pressing contradiction: one benefit can be optimized but at the expense of another. That's where LVMH inventors come in, with a new formula to survive its own impact on the marketplace.

Comparatively Speaking: Metallic vs. Natural Hair Dyes

Hair color can be altered using a variety of dyes. This is the second in a series of three columns that will address hair color products, with the difference between natural and metallic dyes being addressed here.

A ZnCu-based Eye Anti-aging Complex

A zinc and copper complex generating biomimetic electricity on a physiological level is shown here to improve the signs of photo-aging in preclinical and clinical studies.

Updates Encouraged for Health Canada's In-Commerce List

Suppliers that export chemicals directly into Canada or that supply ingredients for finished products that are sold in Canada and, therefore, regulated under the Food and Drugs Act (F&DA) in Canada need to ensure that these substances are nominated to the revised In-Commerce List (ICL) in Canada.

Comparatively Speaking: Traditional vs. Non-traditional Natural Oils

Industry expert Tony O'Lenick discusses the differences between the structures of traditional natural oils and non-traditional natural oils.

Comparatively Speaking: Humectants vs. Emollients vs. Occlusive Agents

Tony O’Lenick asks industry expert Kelly Dobos of Kao Brands to explain the difference between humectants, emollients and occlusive agents.

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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.

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A Taste Receptor Blocker For Oral Hygiene Compositions

A hydrogenated, ethoxylated glycol ester reduces the harsh taste or burn sensation ordinarily imparted by the eucalyptol and the astringency ordinarily caused by the zinc salt in oral hygiene compositions.

A Comprehensive Approach to Replacing DEA in Formulations

Once California added diethanolamine to the list of regulated chemicals in personal care formulations under Proposition 65, chemists immediately sought out surfactants that were free of DEA. Here is presented a roadmap for identifying the right solution to replace DEA-containing surfactants in personal care products.

The present article reviews the structure and function of both healthy and compromised skin barriers. It then describes ingredients and formulas to support barrier repair.

Formulating Forum: Care and Repair for Compromised Skin

The present article reviews the structure and function of both healthy and compromised skin barriers. It then describes ingredients and formulas to support barrier repair.

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Comparatively Speaking: PEG/PPG Dimethicone INCIs Per Arrangement

INCI nomenclature for methicone and dimethicone polymers has been introduced based on their arrangement. Tony O'Lenick explains, in addition to providing a lesson from the literature on polarity and sunscreen formulation.

Quality Comparison of W/O and O/W Photo-Protection Creams

The authors determined the quality of a photoprotector W/O cream by evaluating its microbial control, physicalchemical stability and sensory appeal in comparison to an O/W photo-protector cream.

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: Shampoo vs. Body Wash Formulation

Tony O’Lenick asks David Zhang, PhD, to explain the difference between two major classes of cleansing products: shampoo and body wash.

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.

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