Search Cosmetics & Toiletries: Page 7

180 Results

Section: Testing

CT2002_Cornwell_850x425_logo_PR

Defying Damage: Understanding Breakage in Afro-textured Hair

This peer-reviewed article digs into the research to answer these questions and suggests routes to mitigate this consumer stressor. Why is Afro-textured hair prone to breakage? What can experts do about it?

AfricanBlackEthnicWomanHoldingSmoothedHairSerious_850x425

FDA Cautions: Hair-smoothing Products Can Release Formaldehyde

The U.S. Food and Drug Administration recently released a statement warning users of the potential for hair-straightening products to release formaldehyde gas, a known carcinogen, during heat treatments.

Measuring Hair Strength, Part I: Stress-Strain Curves

This article is the first in a series that will address the approaches of measuring the “strength” of hair and quantifying the manner by which this property may be altered. Specifically, it will begin with the generation of stress-strain curves through the use of constant rate extension experiments.

ManLookingatScalp850x425

Researchers Uncover Role of Exosome in Hair Growth

Scientists from SILAB and the French National Institute of Health and Medical Research have uncovered a communication pathway between dermal fibroblasts and the dermal papilla that could stimulate the regrowth of hair.

Article Download: Evaluating Hair Conditioning With Instrumental Combing

Download the complete article here.

The substrate could aid in hair loss treatment and may have broader applications for skin.

3D Bioprinted Hydrogel Enables Hair Follicle Regeneration

A recent paper published in Acta Biomaterialia describes a 3D bioprinted scaffold that enables dermal papilla cells to regenerate entire follicles. The substrate could aid in hair loss treatment and may have broader applications for skin.

ManApplyingLotion850

Hitting the 'Sweet Spot' for Hair Follicle Delivery

Somewhere between small drug molecules and nanoparticles of < 100 nm, there's a sweet spot to deliver active ingredients via their hair follicle. These researchers appear to have found it, using nanogels.

CT2004_Evans_850x425

Conscientious Claims in Hair—Consumer Perception Before Formulation

The author proposes first fully developing claims that address consumer perception to simplify formulating and ensure products pass acceptance tests. The hair care industry is constantly changing, as are its product claims—the latest of which are reviewed here in the context of science vs. consumer language.

ThickLongFlowingWavyHair850x425

Binding Force: Natural Oxidized Keratin Internalizes Hair Repair

Bond multipliers have been developed to protect and repair hair. One in particular is a novel natural keratin alternative. Here, it is shown to retain fiber flexibility and protect and repair hair by binding intermediate filament proteins within the fiber.

FlippingAfricanHair850

New Ideas on Hair Breakage: Mending Existing Flaws

Our historical beliefs as to the causes of hair breakage have been largely shaped by findings from testing approaches. More recently, an alternate mechanical testing technique, fatigue testing, has been changing our perspective on this topic.

IID18-Tri-Princeton-2_850X425

[video] Architecture of Hair and Living-Dead Connection

During the TRI-Princeton 8th International Conference on Applied Hair Science, Crisan Popescu, Ph.D., of Kao, revealed some of the latest exciting areas of hair research stirring scientific interest. Learn more from our exclusive video interview.

CT2009_Evans_850x425

Testing Tactics in Hair: Equipment—A 'Buyer's Guide'

This article is focused on these approaches and specifically looks at the relevant scientific instrumentation to provide guidance. There are no “standard” test methods for hair in our industry but the widespread use of several approaches has established them as “best practices."

Cyclic Testing: Demonstrating Conditioner Benefits on Damaged Hair

Cyclic fatigue testing simulated stresses experienced by hair fibers from repeated grooming and styling. Researchers used the Weibull parameter of characteristic life to assess damage. Survival probability graphs showed conditioner use helped damaged hair.

Heat-styling-hair-850

Heat Protection Getting Warmer: Specialty Silicones for Hair

The present study examines the ability of silicones to protect hair during heat styling, compared with other industry benchmarks and untreated hair. Also discussed are the mechanisms through which different silicones contribute heat protection in hair care products such as leave-in conditioners, serums and other product forms.

angry-ethnic-lady-combing-hair-850

Combing Through Sun and Pollutant Effects on Hair

Trefor A Evans, Ph.D., institute fellow at TRI Princeton and long-time C&T scientific advisor, offers his insights on the latest developments in hair science and what they mean to the cosmetic formulator.

Sabinsa has published a study showing successful results for its health serum in adults experiencing hair thinning and loss.

Sabinsa Serum Clinically Proven to Prevent Hair Loss

Sabinsa has published a study in Clinical, Cosmetic and Investigational Dermatology showing successful results for its health serum in adults experiencing hair thinning and loss.

Shiseido to Open Center for Hair Regeneration Research

The Shiseido Cell-Processing and Expansion Center (SPEC) is set to open on May 1, 2014, and will centralize the research and development of regenerative hair treatments.

AfricanHairHeatDamage850x425

Beating the Damaging Effects of Heat on Hair

Heat treatments are among the more popular methods for achieving straight hair, yet their high temperatures are quite damaging to the hair’s structures. Learn about the damaging effects and suggested solutions for repairing heat-damaged hair.

Page 7 of 10