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Section: Testing

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China to Accept Animal-alternative Test Data Under These Conditions

Could the animal testing mandate for cosmetics be over in China? No. At least not yet. But under given circumstances, animal-alternative test data will instead be allowed, as well as abstracts of safety assessments.

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Clearing the Haze Around CBD Cosmetics at SCC Annual Meeting

CBD in cosmetics is a big mess, according to Victor Mencarelli, of the Hain Celestial Group. He and others tried to suss through it during the SCC Annual meeting this week in NYC.

Video Imaging in the Measurement of Makeup Efficacy and Performance

Video imaging techniques add quantitative data about the visual effects of makeup when evaluating efficacy and performance of products such as mascaras, lip colorants, facial foundations and nail enamels.

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How Damaged is Hair? Part III: Better Defining the Problem

By identifying elements at the heart of technical issues in hair, product developers will uncover options to consider for improving its health and appearance. Completing our three-part series, this final piece on hair damage provides insight on new ideas and strategies for problematic hair.

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Good Vibrations: Spectroscopic Imaging to Visualize the Delivery of Actives

Understanding how actives are delivered is essential to product development and to provide scientific data in support of a product’s efficacy. Vibrational imaging spectroscopy is shown here to enable the visualization of the penetration of cosmetic actives into skin, hair and nails.

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The ‘Skin’ Crowd: Emerging Trends for Technology in Skin Care

As skin care becomes more scientific, consumers are making it a point to better understand their products. Apps and brands tailoring to the consumer experience are amassing a growing following, leading to shifts in purchasing dynamics.

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Industry Insight: Testing the Most Efficient Color Shampoo/Conditioner Duos

In this "Industry Insight," Sabina Wizemann, senior chemist of the Health, Beauty and Environmental Sciences Lab at the Good Housekeeping Institute has evaluated shampoo and conditioner pairs to identify the best performers for hair dye retention. In a recent interview, she explained how she tests these products, analyzes their efficacy and claims, and which duos exemplified the highest efficacy, compared with other products.

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[video] Student Poster: The Use of a Spectrophotometer in Hair Color

According to Elvia Iniguez, who presented a poster at the latest Midwest SCC TeamWorks, "Our job as formulators is to always produce reproducible batches." Her poster explained how to do just that in hair color. Learn more from her video interview.

Three Decades of Patch Testing: Trends in the North American Populace

This report evaluates the trends in the results of patch testing. The patch test reactions were surveyed retrospectively. The results were statistically compared between 1970 and 2002 because appropriate interpretation of the numbers has public health opportunities.

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Lab Lessons—Wise Words From the Bench With Sergio Nacht, PhD

Today, product formulation goes hand in hand with efficacy testing, but nearly 40 years ago, when Sergio Nacht, PhD, started out in the personal care industry, it was a different story. Throughout his decades in personal care, Nacht has developed methodologies that have allowed the personal care industry to establish efficacy of a product and convey this to the consumer. He has also been instrumental in the increased efficacy of personal care products through sustained release.

A Dermatological View: Using Photochemiluminescence to Quantify the Antioxidative Capacity of Topicals

Exposure to ultraviolet radiation (UVR), air pollutants, chemical oxidants and aerobic microorganisms may damage the skin. In particular, reactive oxygen species (ROS) are considered a likely contributor to skin aging, cancer and certain skin disorders.

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Reduction of skin stress by CBD products: Aiming high above the competition

The use of cannabinoid products is growing in popularity. Formulate with cannabinoids confidently with effective technology development strategy from Eurofins – download a free brochure on CBD testing for safety and compliance.

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CIR Gives Certain Keratin, Polymers and More the OK for Safety

The Cosmetic Ingredient Review Expert Panel has made a safety determination on a number of chamomile, polymer, keratin and sulfate ingredients. Some are safe for use at certain levels while two HDI polymers still have insufficient data.

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The Perplexing Topic of Hair 'Type': How Do We Classify Hair?

Most hair-related properties and issues can be rationalized by fiber size and shape, and/or the consequences of extreme conditions. However, the varying reactivity of different hair types with chemical treatments suggests potential differences in structure.

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Propanediol Caprylate: Shifting the Microbiome, Sebum Levels and Classic Approach to Dandruff

Propanediol caprylate was previously shown to deactivate Malassezia for dandruff control. In parallel, its effects to shift the balance of Cutibacterium and Staphylococcus in the scalp microbiome, and reduce dandruff and sebum are explored here.

For multifunctional products such as moisturizing hand sanitizers, the sanitizer claim requires a significant reduction (2-3 log) of a microorganism population while the moisturizer claim requires data showing an increase in skin moisture.

Testing the Safety and Efficacy of Multifunctional Personal Care Products, A Primer

Multifunctional products may offer solutions to consumer challenges but as the needs of consumers grow more complex, so do their safety and efficacy testing. This article provides a primer on these considerations.

Tech Edge--Optical Tools to Examine the Structure of Cosmetics Products

To monitor or anticipate what can happen in the creation of a cosmetic product when components are combined and as time passes is no trivial task especially when compounded with the psychophysical needs for the product to fit a specific concept and to spread, feel, pour and appear elegant.

Advanced Methods Measure Skin Penetrants at the Parts-Per-Billion Level

Healthy and intact skin was formerly considered an impermeable barrier designed to shield the living organism from all types of environmental injury, and certainly offering protection from all things chemical. Now skin is recognized as a semi-permeable membrane. Microorganisms cannot penetrate it, but it is pervious to chemicals, selectively allowing molecular passage in and out of the skin.

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