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Section: Research > Literature/Data

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Patent Pick: Avon Gives Hair a 'Pep' Talk

Keratin loss is no longer a lost cause thanks to Avon inventors. In a new patent application, the company looks to peptides to pep up hair thickness, strength and growth.

Skin Cancer Research Leads to Hair Color Discovery

In the midst of its skin cancer research, the Dana-Farber Cancer Institute may have stumbled across an interesting discovery related to hair color.

Researchers investigated an extract of the alpine plant edelweiss for its ability to modulate hair follicle growth ex vivo and inhibit hair loss while increasing hair regeneration in vivo.

Researchers Find Edelweiss Inhibits Catagen Phase, Increases Hair Density

Researchers investigated an extract of the Alpine plant edelweiss ex vivo for its potential to modulate hair follicle growth and inhibit hair loss and in vivo for its ability to increase hair regeneration.

Patent Picks: Soft Hair Hold, Barrier Function and More

Patent Picks are compiled by the editors from publicly available sources. This edition features the latest inventions related to an array of topics, ranging from soft hold in hair and barrier function in skin, to methods for quantifying hairs, devices for body contouring, processes to produce melanin, improving nail polish films, and more.

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Fish-derived Verisol Peptides Promote Skin Elasticity, Hair Thickness

Two in vivo studies of Gelita's Verisol nutricosmetic confirm the efficacy of the fish-derived collagen peptide to improve skin elasticity and hair thickness.

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Your Hair on Acid: The Influence of Carboxylic Acids

Carboxylic acids are growing in use to alter hair's properties from the inside out. This column explores the efficacy of these materials and presents possible explanations for their effectiveness.

A study from the University of Minho revealed that designing peptides with small molecular weights and high affinity to hair keratin could interact with and reinforce keratin properties when supported by surfactants to help increase the penetration of peptides into the cortex.

K18 Granted Patent for Hair Fiber-penetrating Peptides

San Francisco-based indie brand K18 has been awarded a patent for peptides that can penetrate the hair fiber to improve its strength and hydrophobicity, and that have more affinity to hair keratin than previously developed peptides.

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A Sunny Proposition: The Effects of Sun on Hair

While not nearly as well-documented as skin, plenty of literature indicates the sun can have damaging effects on hair.

Having healthy hair is important at all ages but the signs of hair health will change. The five stages of hair aging described here illustrate changes to hair biology as well as how hairstyles, wash frequency and products contribute to hair health.

Through the Years: 5 Stages of Aging in Hair

Having healthy hair is important at all ages but the signs of hair health will change. The five stages of hair aging described here illustrate changes to hair biology as well as how hairstyles, wash frequency and products contribute to hair health.

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P&G Hair Expert Jennifer Marsh Joins C&T's Scientific Advisors

Cosmetics & Toiletries is pleased to welcome Jennifer Marsh, PhD, of Procter & Gamble, to its highly esteemed Scientific Advisory Board. As an accomplished Principal Scientist in the Beauty and Technology division, Marsh has conducted multiple studies on bleach and oxidative chemistry for hair color technologies.

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Patent Pick: Lipolytic Enzymes for Skin, Hair and Laundry

In its latest patent, Danisco, DuPont's food and beverage arm, was deeply set on new approaches to remove stains. A lipolytic enzyme variant was uncovered that improves not only laundry care, but skin and hair care.

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Patent Pick: Resorcinol in the Thick of Fuller Hair

P&G inventors know bigger is better, at least in the eyes of hair care consumers. That's why a recent invention explores the use of resorcinol and other ingredients to beef up skimpy hair.

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P&G Research Shows Reducing Scalp Stress Improves Hair Anchoring

P&G Beauty's KeepItAnchored hair loss brand has published a series of studies finding that controlling oxidative stress in the scalp reduces hair loss.

A Hair Dyeing Solution for the Dye-allergic Consumer

This article describes how to identify allergic contact dermatitis resulting from hair dye, and outlines prevention principles for those who wish to continue dyeing their hair despite being allergic—with clear implications for those formulating these products. The main sensitizers in hair dye are discussed, along with techniques to minimize exposure to these allergenic substances.

While in virgin hair, the colorant produced no effects, in bleached hair, the natural colorant produced a red-blonde color at 8%.

Red Dragon Fruit Skin Expands Natural Hair Dye Palette

Research published in Archives of The Medicine and Case Reports explored the potential of red dragon fruit (Hylocereus polyrizhus) skin waste upcycled from food production as a natural hair dye.

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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.

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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.

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Patent Pick: Wash Slip and Glide Back Into Hair

Beiersdorf inventors are targeting dry, brittle hair with a novel cleansing composition to improve slip and glide. Learn more from this patent overview.

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