ct

Current Issue cover

Recent in Testing (page 6 of 37)

A Soft Touch—Concepts in Hair Softness

A Soft Touch—Concepts in Hair Softness

Nov 13, 2019 | Trefor A. Evans, Ph.D., TRI Princeton, Princeton, NJ USA

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 Youre Fooling?

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

Nov 12, 2019 | Anthony J. O'Lenick, Jr., and the late Johann W. Wiechers, Ph.D.

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

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

Nov 1, 2019 | Anthony J. O'Lenick, Jr.

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

Data Confirms Symrise Deodorant Active is Microbiome-friendly

Nov 1, 2019

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

Compact HPLC Column Heater

Nov 1, 2019

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

[video] Valorizing Ingredient Efficacy: On Location with Sederma

Oct 30, 2019 | Jane Evison, Cosmetics & Toiletries, and Olga Gracioso and Thibault Marchand, 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

Solving Sensitivity: In vitro Assays for Sensitive Skin

Sep 25, 2019 | Robert Holtz, BioInnovation Labs, Inc. Denver, U.S.

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.

Aubergine Mutes TRPV1 and Boosts TRPV-3 and -4 to Reinforce and Comfort Skin

Aubergine Mutes TRPV1 and Boosts TRPV-3 and -4 to Reinforce and Comfort Skin

Sep 25, 2019 | M. Bimonte, A. Carola and A. Barbulova, Arterra Bioscience srl, Naples; C. Zappelli and M. Angelillo, Vitalab srl, Naples; M. Cucchiara, Intercos SpA, Agrate Brianza, Milan; F. Apone and G. Colucci, Vitalab srl and Arterra Bioscience srl, Naples, Italy

While the causes of sensitive skin are not confirmed, they most likely are due to a neurogenic inflammation after the enhanced activation of sensory proteins in keratinocytes. The present work tested the ability of a Solanum melongena (aubergine) cell culture extract to inhibit sensory mediators of discomfort and activate barrier-boosting pathways.

BASF and CTIBiotech Bioprint 3D Skin with Macrophages

BASF and CTIBiotech Bioprint 3D Skin with Macrophages

Sep 19, 2019

The reconstructed tissue models will be the basis for the development and testing of bioactives for skin care applications.

Blue Light Device Reveals Skin Whitening and Anti-dark Circles Efficacy

Blue Light Device Reveals Skin Whitening and Anti-dark Circles Efficacy

Sep 19, 2019

The new devide provides measurements for parameters such as total area of dark spots, total number, color uniformity, contrast between pigmentation and normal skin, etc.

Can't find what you're looking for? Try searching, or looking through past issues.