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Section: Testing > Method/Process
Hair Care
A Hint of Peppermint for the Hair and Scalp
Naolys's newest ingredient, derived from peppermint leaf, is designed to rebalance sebum and enhance the hair and scalp. The active can be used in any type of hair care formulation, including shampoos, masks, serums and long-term hair treatments.
Efficacy
Quantifying the Performance of Hair Styling Products—Part 1
There are two general classifications of hair styling products—those that help with style creation and those that prolong the style. Both facilitating style creation and promoting hold longevity stem from the presence of water-soluble polymers in formulations. This paper discusses methods to evaluate these properties and quantify performance.
Method/Process
Corn-derived Biosurfactant Shows Lower Temp = Higher Hair Adsorption
Want faster hair adsorption? Lower the temperature. As least, that's what one study with a corn-derived biosurfactant, from the Royal Society of Chemistry, showed.
Method/Process
Correlating Porosity and Tensile Strength of Chemically Modified Hair
This study validates the porosity method against the widely accepted method of tensile strength for determining the hair damage imparted to hair due to cosmetic treatments.
Method/Process
Assessing the Impact of Hair Damage Types on Color Retention
This article reviews and assesses damage types caused to hair before and after artificial coloration, i.e., by bleaching, perming, heat treatment, UV exposure and shampooing, to compare how they impact color durability individually and combined. Formulation emerges as the key to designing shampoos that efficiently deliver actives to improve color protection against these and other damage types.
Companies
German Wool Institute Awards Symrise for Hair Damage Findings
"This award will definitively have an impact on the visibility and credibility of Symrise as a major player in hair research and product development for our customers.”
Literature/Data
Hair Damage and Repair Literature: Sweet Potato Sochu and Red Clover
Hair thinning and loss; nourishing and bonding treatments; and scalp, curl and color care are among today's top concerns and trends in hair care. As such, we offer the following brief literature review with a look at recent research related to hair repair and damage.
Method/Process
Torsional Behavior of Human Hair by Single Fiber Torsion Pendulum Method
Torsional properties are described by the author as a method to distinguish between the surface and the bulk effects of actives in hair formulations.
Event Coverage
2026
C&T Allē Awards
Portal is Open — Beauty Innovation Abounds: Show Us Your Stuff
With beauty innovation abuzz, especially around spring trade shows,
Cosmetics & Toiletries
is excited to open the 2026
Allē Awards
submission portal. Show us what you've got!
Method/Process
Hair Color Vibrance Factor to Characterize Shine and Color Intensity*
To evaluate the comprehensive effects of shine and color intensity in hair, a hair color vibrance factor has been developed to enable new claims for hair dye formulas and after-dye treatments. Experimental results described here show how varying the ingredients in shine spray and hair dye formulas affect this factor and correlate with subjective panelist assessments.
Method/Process
From the Archives … Flexabrasion: A Method for Evaluating Hair Strength
From the December 2001 issue of
Cosmetics & Toiletries
, this article describes how both bending and abrasion should be tested–along with extension–when evaluating hair strength, as the authors show here in tests of an active developed to increase the strength of bleached hair.
Method/Process
Hair Color Vibrance Factor to Characterize Shine and Color Intensity*
To evaluate the comprehensive effects of shine and color intensity in hair, a hair color vibrance factor has been developed to enable new claims for hair dye formulas and after-dye treatments. Experimental results described here show how varying the ingredients in shine spray and hair dye formulas affect this factor and correlate with subjective panelist assessments.
Companies
BASF Opens Skin and Hair Care Evaluation Salon in Nigeria
The salon will provide in-house evaluations to assist in developing products with relevance to and consumer acceptance in the sub-Saharan African market.
Method/Process
Article Download: Correlating Porosity and Tensile Strength of Chemically Modified Hair
This study validates the porosity method against the widely accepted method of tensile strength for determining the hair damage imparted to hair due to cosmetic treatments.
Efficacy
Body Talk: Defining Volume, A Technical Dissertation on Hair Body and Volume
Consumer definitions of hair
volume
and
body
differ from their scientific counterparts, while both remain vague. This column discusses challenges concerning the study of hair volume and body, including the influences of hair coloring and styling.
Method/Process
Fluorescence LSCM to Assess the Penetration of Low Molecular Protein Hydrolyzates Into Hair
The present study uses confocal laser scanning fluorescence microscopy to assess the penetration of protein hydrolyzates into hair. While higher amounts of protein were found in the cuticle, still significant quantities were observed in the cortical parts of hair, and this penetration was enhanced by longer incubation times.
Method/Process
Detecting the Protective Power of a Hair Health Multi-peptide: An Integrated Approach
This work measures the antioxidant potential of a hydrolyzed cicer seed extract, a multi-peptide derived from chickpeas, to protect hair. Advanced methods such as FTIR, DCFH-DA assays, cyclic fatigue and DSC testing are combined for a comprehensive view.
Efficacy
Path Uncovered to Create Dermal Papilla-like Cells and Advance Hair Follicle Growth
Researchers from a group of universities in China have uncovered an approach to convert dermal fibroblasts into dermal papilla cell-like cells to advance hair follicle regeneration.
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