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This article offers a question-by-question guide to assist clinicians in diagnosing hair shaft disorders, presenting no new clinical results.

This research examined the ultrastructure of deer hair fibers and found significant variations in diameter, cuticle thickness, and intermediate filament arrangements among different fiber types.

Different races and genders have unique skin and hair issues, requiring specialized care and more research for effective treatment.

Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.

This study found that Black patients with discoid lupus erythematosus had significantly worse CLASI damage scores and higher odds for dyspigmentation, scalp involvement, and scarring alopecia compared to non-Black patients.

This paper reviews the literature on acquired trichorrhexis nodosa, a clinical hair loss diagnosis associated with hair care practices, particularly in those with tightly curled hair, and emphasizes management through protective hair care regimens rather than traditional prescription therapies.

The document discusses male and female pattern hair loss, its diagnosis methods, FDA-approved treatments like finasteride and minoxidil, their side effects, and the role of lifestyle changes.

This study found that hair follicles on the anterior scalp may be more vulnerable to acute telogen effluvium than those on the occipital scalp.

This study concluded that platelet-rich plasma therapy was as effective as intralesional triamcinolone acetonide in treating localized alopecia areata on the scalp.

This study found that a medicated shampoo containing selenium sulfide and salicylic acid effectively reduced symptoms of seborrheic dermatitis in Chinese patients, but females experienced significantly lower rates of good effectiveness and tolerance compared to males.

This report observed that repeated stellate ganglion blocks over six years were associated with improved skin elasticity, increased water content, and more hair follicles on the treated side of a patient's face.

The researchers identified differences in gene expression between fetal and adult dermal papilla cells that could explain fetal cells' ability to regenerate hair follicles, while adult cells lack this capacity.

In this study, researchers found that while chest hair can be a reliable alternative to scalp hair for ethylglucuronide testing, seasonal factors may affect concentration levels and should be considered in result interpretation.

This study found that scalp treatments improved hair density and reduced the number of telogen bulbs in patients with Telogen Effluvium.

In this study, using sterile gloves during hair restoration surgery did not reduce scalp contamination compared to clean gloves due to the natural microbiome of the scalp.

This study concluded that oral and topical minoxidil have similar overall benefits in treating androgenetic alopecia, but topical minoxidil improved hair density more and had fewer adverse effects.

This study found no significant difference in androgen receptor expression between lesional and non-lesional scalp in patients with androgenetic alopecia.

This study explored a multidimensional approach to examine body hairs' physico-chemical properties, potentially supporting their use over scalp hairs in forensic and intoxication studies.

This study offers a new perspective on androgenetic alopecia, suggesting that hair loss at the vertex and frontal scalp results from mechanical and thermodynamic stress, alongside androgen activity, and proposes that reducing mechanical tension and improving local microcirculation could complement traditional treatments.

This study found that off-pump coronary surgery significantly reduces in-hospital morbidity compared to on-pump surgery without affecting midterm outcomes in the first 1-3 years after the procedure.

This study suggests that cortisol measured in human hair can effectively reflect increased production for up to six months, but its retrospective accuracy may be limited due to rapid decline in levels.

This study reports that progressive frontal fibrosing alopecia, a distinct and gradually stabilizing form of lichen planopilaris affecting elderly women and often involving eyebrow hair loss, lacks effective treatments.

This study found that finasteride improves scalp hair growth in men with male pattern hair loss by reducing scalp dihydrotestosterone levels, but it did not benefit postmenopausal women with female pattern hair loss.

This paper introduces the Follicular Unit Extraction procedure and its accompanying FOX Test, finding that 60% of tested patients were suitable candidates for this minimally invasive hair transplantation method.

This article discusses treatment approaches for female pattern hair loss and concludes that available medical treatments are effective in reversing or stabilizing the condition in most cases of mild-to-moderate severity.

This review examines the chemical composition and potential health risks of hair straighteners, but it reports no new findings and emphasizes the importance of understanding hair fibre structure for safe use.

This study suggests that the paradoxical effects of androgens on hair growth are due to differential gene expression in hair follicles, possibly established during embryogenesis.

This review evaluates various kits for isolating platelet-rich plasma using established processing standards and finds they enable compliance with consensus quality criteria; ongoing research is needed to refine these procedures for improved consistency and safety.

This study suggests that chemotherapy-induced anagen effluvium represents patterned hair loss, with most patients retaining hairlines, but patterns do not vary significantly by age, symptoms, or chemotherapy type.

This review discusses the role of estrogens in hair follicle cycling and the skin, highlighting the need for more research on estrogen signaling pathways and their interactions with other factors in hair biology.