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This study found that bleach treatments significantly increased hair surface roughness and decreased Young's modulus, indicating marked changes in hair's molecular structure which may affect future hair-care product formulation.

This case series observed a potential familial link in central centrifugal cicatricial alopecia (CCCA), suggesting a genetic predisposition that may be worsened by hair grooming practices.

This study investigated the tensile response and morphological changes of different ethnic hair types using AFM, showing variations between virgin, chemically damaged, and conditioner-treated Caucasian hair under different conditions.

This chapter provides an overview of the complex chemical and physical structure of the hair surface, detailing how factors like ethnicity, environmental stress, and cosmetic treatments can alter its properties and influence the adhesion of hair care products.

This study reports that military hair-grooming standards have evolved to support inclusivity by addressing racial diversity in hair and skin types, aiming to eliminate the adverse effects of tight hairstyles and reduce racial and gender bias.

This study concluded that Polyquaternium-10 conditioner softens the surface of the scale face on hair fibers.

This study of African-American women found that those perceiving greater hair breakage showed lower break stress and higher premature failure rates, linked to grooming practices and hair curvature.

This study conducted in situ tensile loading experiments with atomic force microscopy to observe how conditioning treatments affect the tensile response of virgin, chemically damaged, and mechanically damaged Caucasian hair.

This article reviews various causes and investigative techniques for different forms of alopecia and reports no new findings.

This review discusses the causes of hair shaft abnormalities and highlights the role of cosmetic products in treating hair disorders, though it reports no new clinical findings.

This study employed a laser-based method to analyze how light reflection patterns vary on human hair fibers, revealing changes related to hair color and the tilt of the cuticle cells.

This review discusses the evolution and ongoing debate about the causes of central centrifugal cicatricial alopecia in African American women, without presenting new clinical findings.

In this study, a deficiency in the zinc finger protein Zfp462 in mice led to anxiety-like behaviors and excessive self-grooming, providing a new model for studying anxiety disorders.

This abstract contains no research findings but is a snippet of a website interface for JAMA Dermatology.

This study found that glycylglycine treatment improved hair softness by enhancing hair alignment and altering internal fiber properties among Japanese women with typically coarse hair.

This study observed that individuals with mixed ethnicity had hair that varied widely in shape and showed significant surface damage near the root, differing from monoracial hair characteristics.

This article presents a comprehensive overview of hair microscopy techniques and their diagnostic potential for systemic and cutaneous disorders, emphasizing its usefulness in resource-limited settings and highlighting the underutilization of this non-invasive method due to lack of awareness.

This study tested the effects of protective pre-treatments on African hair and found that these treatments, combined with moderate grooming, may help maintain cuticle integrity.

This source highlights the utility of cationic polymers in haircare products for protecting against hair damage from chemical treatments and grooming, and describes how microfluorometry can measure polymer deposition and penetration on hair fibers.

This chapter describes the functions and purposes of hair care cosmetics, including shampoos, hair growth promoters, and grooming products, without reporting new experimental findings.

This study found that a combination of Trichogen and climbazole may inhibit protease activity and increase the force required to remove human hair, suggesting potential to reduce excessive hair shedding.

In this study, researchers developed a regression model that reasonably predicts consumer-perceived hair breakage using various parameters such as hair smoothness, detangling forces, extensional strength, and hair density among Indian women.

The researchers reported that a novel leave-on treatment containing caffeine, niacinamide, panthenol, dimethicone, and an acrylate polymer significantly increased the diameter and improved the mechanical properties of scalp hair fibers, suggesting it may help mitigate thinning hair.

This article discusses the characteristics of human hair, its damaging processes, and the potential repair effects of immuno-cosmeceuticals, but it reports no new clinical results.

This review discusses the impact of various external factors like cosmetics, traction, and radiation on hair health and color, but reports no new findings.

This article reviews the anatomical and physiological characteristics of African American hair and skin, discusses common disorders and their management, but reports no new clinical findings.

Hair transplantation successfully treated a woman's hair loss caused by a tight ponytail.

This article reviews the causes, classification, and new treatments for pseudofolliculitis barbae but provides no new research findings.

This study found that repeated finasteride administration in male Wistar rats led to increased depression-like behavior, suggesting an animal model for investigating finasteride's neuropsychiatric effects is viable.

This source summarizes discussions by an advisory board of twelve experts on hair loss, focusing on heredity, aging, and environmental impacts, and emphasizing strategies that may slow alopecia.