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180 Results
Section: Testing
Hair Care
Givaudan Takes Action with Hair Care During in-cosmetics Latin America
Givaudan Active Beauty is exploring the Brazilian hair care world with one of its latest hair care ingredients. In addition to new clinical results, the company presented a new hair care concept during in-cosmetics Latin America .
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
Targeting Texture: Adapted Combing Test to Assess Curly Hair Product Efficacy
Changes in hair styling practices have increased the demand for hair products to maintain naturally textured hair condition and health. In relation, the current work aimed to develop test methods using naturally textured hair to assess products and ingredients specified for these hair types.
Methods/Tools
Conditioned Response: Fragrance's Cross-modal Effect on Sensory Perception in Hair Care*
This study compared the impact of two fragrance types on the tactile perception of dry, bleached hair treated with a base or enhanced leave-on conditioner. Sensory tests showed a fruity fragrance was most successful at imparting the perception of conditioned hair.
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.
Hair Care
Silicone Stand-in: Lauryl/Myristyl Polyricinoleate Naturally Improves Perceived Hair Hydration
This article is focused on a nonionic, nature-friendly hair care ingredient: lauryl/myristyl polyricinoleate. Designed to impart a sense of hydration to hair, the material is shown to ease combing and provide a smooth after-feel in a manner surpassing benchmarks.
Literature/Data
pH vs. Damage, Conditioning and Floc Control: Hair Repair and Care Literature
Businesses are finding unique paths to recover from the COVID-19 crisis and hair care market conditions are expected to improve by early 2021. In relation, we offer the following brief literature review of hair damage, care and repair research to support this positive market direction.
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.
Literature/Data
Restoring Hair and Scalp Health: Ceramide-2 Analog for Conditioning and Barrier Benefits
Since ceramides are essential for protecting skin and hair, the natural conclusion would be to use them as cosmetic ingredients. However, naturally occurring ceramides are difficult to extract and can carry a high cost. A structural analog to naturally occurring ceramide-2 was therefore developed.
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.
Methods/Tools
Sticking it to Hair Damage: Delivery Duo Protects and Repairs Inside and Out
To adequately protect hair from damage, an efficient solution should offer not only high coverage externally, but also penetrate hair to impart reparative effects internally. The present study explores the ability of a dual technology to provide these benefits, as demonstrated via analytical techniques.
Literature/Data
Patent Pick: Move Over, Oxidizers, Titanium Salts are the New Hair Dye Heroes
Oxidizers have met their match, if you believe these L'Orél inventors. In this patent application, titanium salts are offered as the basis for natural and powerful hair dyes, without the need for oxidizing agents.
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.
Literature/Data
[podcast] Consumer Gaps, Waterless Forms, Bio-inspired Ideas and More in Hair Research
This podcast underlines opportunities for hair care product development, including unaddressed consumer segments, waterless products, concepts from the hair transplant and cloning communities, and more. Listen now!
Literature/Data
Hair Health Starts With the Scalp: Insights from Two P&G Head & Shoulders Experts
Hair care scientists scratched their heads for some time before they could put their finger on the primary causes of dandruff. Now, with the flakes brushed away, they are seeing the scalp in a new light. Two Procter & Gamble scientists, James Schwartz, Ph.D., and Rolanda Wilkerson, Ph.D., both with the Head & Shoulders brand, explain how in this exclusive interview.
Method/Process
'Testing Tactics in Hair' Column Series — An Index of Works by Trefor Evans, Ph.D.
From 2013-202, adviser and columnist Trefor Evans, Ph.D., wrote the column series, "Testing Tactics in Hair" for
Cosmetics & Toiletries
, covering methods to measure damage, treatments, claims and more. This is an index of his works.
Event Coverage
IFSCC Winners: Hair Muscle Anti-aging in 4D, Vascularized Skin Model and Odor-inhibiting Fragrance
Next-gen imaging shows hair muscles prevent skin sagging. Advanced vascularized skin modeling predicts skin absorption. And, an olfactory receptor assay finds fragrances to inhibit odor production. These papers won top honors during the IFSCC Congress.
Method/Process
Fluorescence Laser Scanning Confocal Microscopy 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.
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