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Section: Research > Literature/Data

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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.

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Is Your Microbiology Lab FDA-compliant? Part II: Cultures, Growth Media, Reagents and Testing

This two-part article provides an overview of areas relevant to the U.S. Food and Drug Administration’s (FDA’s) inspection of cosmetic microbiology laboratories. Part 1 covered personnel, facilities and equipment, test materials and procedures, and documentation. Part 2 addresses microbial cultures and growth media, biochemical reagents, test procedures and more.

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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.

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[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.

Improving the Sensory Properties of Lye Hair Relaxers

Previous work found soluble silicates in lye relaxers to impart positive effects. Therefore, a compound based on potassium silicate, alkyl polyglycoside and glycerin was developed to improve the effects of lye relaxers on the mechanical and sensorial properties of hair. This article explores various benefits of this compound using variations of two lye relaxer test formulations.

Barrier Function, Hair Coloring and Other Literature Findings

The following column discusses the latest technological advancements in the fields of hair care, skin care, oral care, sunscreen, color cosmetics and more.

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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.

The development of molecules to interact with the nervous system has expanded skin care into neurocosmetics, and this trend has moved into hair and scalp care. This report identifies biological targets for the development of such actives, and their potential to improve hair and scalp care cosmetic products.

Neuro-cosmetic Targets for Scalp and Hair Care

This report identifies biological targets for the development of such actives, and their potential to improve hair and scalp care cosmetic products.

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.

Johann W. Wiechers, Ph.D.

Words from Wiechers: Dry Skin or Skin Cancer, is That the Question?

In this series installment, Wiechers advises, "Let’s do our science properly and completely before we come up with new claims and completely confuse ourselves, our regulatory bodies and our consumers." O'Lenick agrees; read on to learn more.

Continued demand for brightening products drives R&D to search for approaches that optimize and further advance such cosmetics. In relation, this article reviews types of brightening agents, their mechanisms and corresponding action pathways.

The Future is Bright: Ingredients and Mechanisms to Mitigate Hyperpigmentation, A Review

Continued demand for brightening products drives R&D to search for approaches that optimize and further advance such cosmetics. In relation, this article reviews types of brightening agents, their mechanisms and corresponding action pathways.

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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.

Gene Variable Identified to Predict European Hair Curliness

Researchers at the Queensland Institute of Medical Research have identified a link between a gene and the degree of curliness in hair of European descent. This finding could be applied in forensic investigations or be used to manipulate hair with proteins.

Molecular Biology in Future Skin and Hair Care

Techniques developed in the field of molecular biology are currently being used to screen cosmeceutical ingredients for skin and hair care applications. New findings are published on a daily basis, providing insight with respect to future innovations for skin and hair health and appearance. Several relevant developments are reviewed here.

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[video] Soy By-product for Natural Hair Conditioning

Following the movement for upcycled cosmetic ingredients, a fermented derivative from soybean wastewater was found to effectively and stably condition hair. Renuka Thergaonkar, Ph.D., of V.G. Vaze College, Mumbai, explained in this video interview.

The main focus of this research published in the Journal of Cosmetic Dermatology was to define the differences in the hair follicle lipid profiles of female black and gray/white hair follicles.

Research Identifies Age-induced Hair Graying Lipid Biomarkers

Research published in the Journal of Cosmetic Dermatology sought to define differences in the hair follicle lipid profiles of female black and gray/white hair follicles and uncovered age-induced graying biomarkers.

Oral vitamin D enhanced the efficacy of minoxidil in patients with female pattern hair loss.

[Hair Growth] Vitamin D + Minoxidil Superior to Monotherapy

Ghada F. R. Hassan, MD, et al, evaluated the serum levels of 25-hydroxy vitamin D in patients with hair loss (vs. controls) as well as the efficacy of three treatment options: oral vitamin D, minoxidil and combination of both.

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