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180 Results
Section: Testing
Method/Process
Texture Analysis to Select Packaging and Formulate Hair Care Products
Texture analysis provides quantitative information about a material’s response when deformed by a controlled force. Examples illustrate the use of a texture analyzer to evaluate shampoo extrusion, hair spray film toughness, hair spray tackiness, styling wax hardness and aerosol canister deployment.
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.
Efficacy
Defending Integrity: Microemulsion to Restore Bleached and Dyed Hair Properties
Unlike skin, hair lacks regenerative properties, so it is important introduce components during bleaching and color treatments that preserve and maintain hair’s structure. The present article proposes a bis-PCA dimethicone solution, which acts via novel bonding mechanisms to impart cumulative strengthening in chemically treated hair.
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.
Efficacy
Dual Defense: Protecting and Repairing Hair Holistically, Inside and Out
Cumulative stress encountered by hair during daily grooming causes breakage and other forms of damage. This paper presents a holistic approach to protect hair from within and without by targeting the cortex and cuticle sheath. Fatigue testing and other assessments are carried out to determine efficacy.
Literature/Data
[podcast] Anti-pollution, Genomics, Personalization and More in Hair Research
This podcast explores new directions in hair research, including anti-pollution and hair protection, the hair follicle microbiome, how genomics is changing what’s possible, personalized products and more. Listen now!
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.
Efficacy
Simple and Sensorial: Amino-modified Silicone Protects and Revives Hair
Multifunctional ingredients can simplify hair care routines by offering protection, performance and sensory benefits in one step. Herein, a terminal hydroxy amino-modified silicone is tested for its effects on hair breakage, drying time, wet and dry combing, colorfastness and more.
Consumers/Market
Industry Insight: Pollution, Microbiome and Consumer Behavior in Hair Research
Presented here is an excerpt adapted from our podcast series on new directions in hair research, featuring Gill Westgate, Ph.D., and Marta Bertolini, Ph.D.
Literature/Data
Keratin Blend Anchors Follicles and Prevents Pollution-induced Hair Fall
Poor scalp health compromises hair quality. As such, the topical application of keratins was explored to increase collagen IV in the scalp skin. Live scalp explants were used to test this approach for improved follicle anchoring and, in turn, protection against environmental assault, hair fall and damage.
Consumers/Market
Two Key Factors in Hair Care Growth: Mass and Efficacy
Value growth in hair care has been hampered by an upwardly inelastic value margin. However, there is hope in untapped zones in emerging markets, where the frequency of shampoo use continues to be low.
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.
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.
Efficacy
Unassuming Softness: Silicone Conditions Hair Without Affecting Dyes, Perms or Pores*
This study assesses the deposition on hair of a coacervate comprising silicone, cationic cellulose polymer and water, and its impact on hair dyes and permanent waves, as well as scalp pores. Results suggest silicones provide conditioning benefits to hair without disrupting these subsequent chemical treatments, or blocking pores.
Methods/Tools
UPDATED: How Smart Devices are Changing Hair and Skin Care Routines
With products ranging from smart hairbrushes to wearable UV skin patches it is safe to say that technology is slowly but surely shaping the beauty industry.
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.
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