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Recent in Testing (page 1 of 34)

Kao and Preferred Networks Use AI and RNA for Beauty Counseling

Kao Corp. and Preferred Networks, Inc., have launched a collaborative project based on AI for practical applications of sebum RNA monitoring to build a beauty counseling service committed to skin conditions.

[video] Understanding Adhesion of Pollution Particles to Skin

University of Le Havre researchers sought to better understand the adhesion mechanism of pollution particles to skin. Here, Lívia Salomao Calixto, Ph.D., explains their study design and findings, presented at the IFSCC Conference in Milano.

Delfin Device Makes Sebum Control an Exact Science

Skin sebum measurements are now possible in absolute units and within a 0.1-microgram resolution.

Will the U.S. Finally Ban Animal Testing for Cosmetics?

It's been attempted before, so will U.S. legislators succeed this time in a nationwide ban against animal testing for cosmetics? The U.S. Humane Society believes so; and it appears the industry is on board.

A Safety, Toxicity and Irritation Testing Primer

To ensure a product’s success, especially in light of ‘clean beauty’ tenets, it must be tested for stability as well as safety and efficacy. The following primer offers an overview of key tests to perform as products are developed and prepared for launch. Click through to the digital magazine for more.

A Soft Touch—Concepts in Hair Softness

Softness technically seems the opposite of stiffness but measuring properties related to fiber stiffness is difficult due to hair’s anisotropic structure. And while hair is technically “softened” at elevated humidity, this is the definition of a “bad hair day.” Improving fiber flexibility without adversely impacting breakage seems a sound technical strategy... Click through to read more in the digital magazine.

Words from Wiechers: Who Do You Think You're Fooling?

In this edition, Wiechers admonishes us to “make cosmetic science into something we can be proud of again,” and reminds us that “cosmetic science is only as bad as you and I make it." Read on to learn more about who's "fooling" whom.

Comparatively Speaking: Factors Affecting the Stability of PEG/PPG Dimethicone Formulas

PEG/PPG dimethicone polymers have a water-soluble and silicone-soluble group present in the same molecule. This review considers their stability in water in relation to pH values and over time.

Data Confirms Symrise Deodorant Active is Microbiome-friendly

Symrise reports, in a first-of-its-kind study, the company's antiperspirant active was shown to be safe for the axillary microbiome.

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.

[video] Valorizing Ingredient Efficacy: On Location with Sederma

In addition to 2D models, Sederma's 3D skin equivalent and other customized models, e.g., to measure pollution, pigmentation, etc., make links between ex vivo and in vivo results, bringing results closer to reality. Learn more in this behind-the-scenes look. Watch now.

Solving Sensitivity: In vitro Assays for Sensitive Skin

There are many mysteries regarding sensitive skin, including how to minimize the chance that a product will create a negative response. This article details causes of this syndrome, along with details for testing personal care ingredients for their interaction with sensitive skin.

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