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Section: Testing

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Microbiome Compromised by Antibiotics, Antiseptics

The skin microbiome remembers antibiotic and antiseptic treatments even after their use concludes, potentially opening the door to skin infection, according to research in Antimicrobial Agents and Chemotherapy.

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Compact HPLC Column Heater

Powered by a universal benchtop power supply, the compact column heater is easy to use and accurate within 0.1°C.

Compass—Best Foot Forward

From an insider’s view, safety testing is an assumed step in the development of any product on the market. This puts the pressure on analytical and quality control efforts behind the scenes to ensure that ingredients and products meet or exceed expectations. In doing so, theoretically, no one else has to give it a second thought. For those who must give it considerable thought, this edition features two articles on testing, among other topics.

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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: 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.

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Comparatively Speaking: Inflammation vs. Allergy

Are you formulating for sensitive skin? Or is it really normal skin undergoing a typical inflammatory response? Where do allergic reactions fit in? In this edition of "Comparatively Speaking," Nava Dayan, Ph.D., explains.

In Sight—QOL Testing: Complementing Clinicals

Personal care efficacy tests are known to test the physical effects or toxicity of products, often omitting more abstract and possibly equally as important factors such as well-being.

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Editor's Note: Testing the Comfort Zone

Is it just me, or 10 years ago—perhaps even five—would we never have expected to see epigenetics or visible light emerge in the context of cosmetics R&D?

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Lead Levels in Cosmetics: Comment Now

Want a say in the levels of lead allowed in cosmetics? Now's your chance. The U.S. Food and Drug Administration is seeking comments on its newly drafted guidelines.

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Comparatively Speaking: Crossmodal vs. Lineal Perception

Lineal perception relates to a direct line between a stimuli and a single sensory interpretation. Crossmodal perception refers to responses and interpretations of various senses to a stimulus, offering product developers opportunities to create novel consumer experiences.

Evaluating Hair Conditioning with Instrumental Combing

When formulating a hair care product, there is often a need for testing that validates the product’s technical performance. This testing provides guidance to create formulas with appropriate performance, while also communicating the product’s message to the consumer. This article discusses the use of instrumental combing measurements when formulating hair conditioning products.

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Personalized Cosmetics: Has the Time Come?*

Personalized medicine, aided by advances including pharmacogenomics, is ready for mainstream clinical adoption. These authors suspect such techniques could be applicable for personalized cosmetics, complete with tolerance and efficacy considerations. Click through to the digital magazine to read more.

In Sight—QOL Testing: Complementing Clinicals

Personal care efficacy tests are known to test the physical effects or toxicity of products, often omitting more abstract and possibly equally as important factors such as well-being.

PCPC Requests Comments on Microorganism Guideline

The Personal Care Products Council (PCPC) is requesting public comments on its revised guidelines on the identification of dangerous microorganisms in personal care raw materials and finished products.

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.

Green Formulations: Not All Components Are Equal

In the consumer’s mind, a natural or green cosmetic is automatically safe; however, the safety, quality and efficacy of botanical ingredients used in formulations need to be carefully assessed. Stability is also an important issue. Current research is directing analyses of final formulations to evaluate not only their cosmetic raw materials, but also their active materials.

Computerized Measurement and Correction of Color Cosmetics

With a spectrophotometer and computerized color measurement software, the cosmetic chemist can do both basic color quality control and color formulation and correction easily in the lab.

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ISPE Presents Complete Immersion SPF Testing

ISPE Laboratories presents a new method to evaluate the solar protection factor of water-resistant products.

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