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Recent in Testing (page 1 of 35)

Gattefossé Reveals Effects of Sunscreen, Moisturizer, Film Former Layering

Gattefossé analyzed the efficacy and sensory effects of sunscreens applied to skin on top of other products. Results suggest film formers are a key ingredient.

New Anti-dandruff Efficacy Data for Symrise's Crinipan PMC Green

Current in vivo data reportedly shows Crinipan PMC green to be as effective as conventional solutions for dandruff.

Eurofins, Vegan Society Develop Vegan Verification Program

The program allows manufacturers, brands and retailers to properly test products and label them as 100% vegan.

Fighting AGEs Formation: Upcycled Artichoke Inhibits Glycation, Increases Skin Firmness

Upcycling organic waste into cosmetics has been of interest for the growing sustainability trend—and artichoke, in particular, demonstrates anti-aging activities. Described herein is the development of an upcycled artichoke byproduct, which was tested for effects on skin glycation and elasticity.

BASF and Givaudan Develop First OECD-Approved Animal Test Alternatives

The OECD has, for the first time, approved a non-animal strategy to assess skin sensitization based on three tests. In addition, the Kinetic Direct Peptide Reactivity Assay was approved to predict the intensity of reactions. All tests are the results of BASF/Givaudan joint efforts.

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.

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.

Words from Wiechers: In the Land of the Blind, the One-eyed Man is King

"Regulatory bodies claim that everything should be tested against a placebo, but they should also learn to see there is a difference between fundamental science and applied science," the late Johann Wiechers, Ph.D., writes, in this month's column. He also explains blinded studies.

[video] Cosmetics R&D Vlog: Testing Color Retaining Shampoos and Conditioners

In this Cosmetics R&D Vlog entry, Michele Behrens, of Cosmetics & Toiletries, gained insights from Sabina Wizemann, senior chemist at the Good Housekeeping Institute, about the company's product testing and which products performed the best.

Eppendorf’s Centrifuge 5910 Ri Simplifies and Accelerates Workflow

Eppendorf has introduced a multipurpose centrifuge, Centrifuge 5910 Ri, to easily accelerate lab results.

Moisturizer Penetration in Skin Revealed via Low-coherence Inferometry

Research published in the Russian journal Engineering describes a method to measure the penetration of gel moisturizers in skin in vivo via low-coherence interferometry.

Sensing Epidermal Aging via Histone Variant H2A.J Biomarker

Research published in Aging and Mechanisms of Disease has identified the histone variant H2A.J as a biomarker to detect senescent cells in skin, which could uncover connections between cellular senescence and skin aging.

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