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Section: Research > Methods/Tools
Efficacy
Hidden Hair Damage and the Importance of Multiple Tests
It is of paramount importance for hair researchers to know the history of hair at the time of applying a treatment. The lack of such knowledge can create misleading results. Thus, a stress-strain test in both dry and wet states can provide a rapid means to check the reliability of the information collected, as is shown here.
Methods/Tools
C&T Summit
Explores Proteomics to Examine Hair Damage
Damage to the hair shaft can lead to the breakdown of proteins from the hair, which can provide an early diagnostic for damage before it is manifested at the macro-structural level. Mike Davis will explore this approach during the
Cosmetics & Toiletries Summit
this June.
Efficacy
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.
Efficacy
Words from Wiechers: In the Land of the Blind, the One-eyed Man is King
"Regulatory bodies claim that everything should be tested against a placebo, but they should also learn to see there is a difference between fundamental science and applied science," the late Johann Wiechers, Ph.D., writes, in this month's column. He also explains blinded studies.
Literature/Data
Zombie Hair and Insights from the Living-dead Connection
"How can we create a synergy between the living and dead part of hair to give consumers the best results? We manipulate the living to improve the dead,” said Thomas Dawson, Jr., Ph.D., during the TRI-Princeton 8th International Conference on Applied Hair Science.
Sensory
SGS Measures Diaper Softness—Could it Work for Hair?
SGS's laboratory in France is the first to measure the softness of disposable hygiene products using specialized equipment that reproduces the perception of human touch. Could a similar approach work for hair?
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.”
Hair Care
[podcast] How Function of Beauty Makes Hair Care Personal
In this exclusive podcast, sponsored by INOLEX, Function of Beauty co-founder Zahir Dossa explains how the company came to be, and how it achieves a truly personalized product. Register to listen; it's free.
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.
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.
Methods/Tools
Words from Wiechers: Is Cosmetic Science Really 'Bad'? Part II: Scum of the Earth
This edition of Words from Wiechers debates: Are claims on cosmetic products exaggerated? While Wiechers presents strong points, column editor Tony O'Lenick believes that by and large, cosmetic companies are very conscious not to alienate consumers by making wild claims.
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!
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!
Literature/Data
Andean Otoba Wax Delivers Stable Nanoparticles, Anti-hair Loss Potential
Research published in
Cosmetics
describes the efficacy of Andean region Otoba wax to form solid lipid nanoparticles and deliver potential anti-hair loss efficacy.
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.
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.
Tech/Equipment/Production
PCPC President & CEO Tom Myers on How the Beauty Industry is Innovating with AI, Sustainability, and Transparency
"I am proud to note that we are a key driver of the U.S. economy with nearly $60 billion in U.S. manufacturing, 4.6 million U.S. jobs and directly contributing over $300 billion to our nation’s GDP."
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 .
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