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This exploratory pilot study reported that using a 2% Oleosome-FGF-2 fusion extract scalp serum twice daily for 84 days in women with telogen effluvium and brittle hair improved hair density, anagen/telogen ratio, hair shaft thickness, and scalp hydration compared to a placebo.

This study found that applying a red clover-chamomile complex extract ampoule for 4 weeks significantly improved hair density and shaft thickness at the hairline in participants with self-perceived decreased density.

In this study, the researchers found that transplanted hair follicles undergo significant morphological changes, including a thickened dermal sheath and increased hair shaft diameter, which are associated with altered follicular vascularization.

This study observed significant differences in hair care practices and biologic hair parameters between Caucasian and African American women, which may contribute to varying hair fragility and growth.

Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.

In this study, individuals with a c.1072C > T mutation in the EDAR gene showed more hair shaft deformations compared to non-mutation carriers, highlighting EDAR's role in hair follicle development.

This study observed that adults with thinning hair who ingested a patented botanical-based supplement experienced significant increases in hair shaft diameter and reductions in hair breakage over 180 days, suggesting improved hair strength and length across various demographic groups.

This study found that low-level light therapy and fractional lasers are effective and safe treatments for androgenetic alopecia, with the greatest improvements in hair density and thickness seen in combination therapies.

This study reports that low-level light therapy and fractional lasers are effective and safe treatments for androgenetic alopecia, with more pronounced results when combined with other therapies.

This study describes a patient with Rothmund–Thomson syndrome-like symptoms who displayed hair improvement after combination therapy, despite carrying an ANAPC1 gene variant of uncertain significance.

This case report details a 28-year-old male with early-stage androgenetic alopecia who experienced significant hair density and thickness improvements following a three-month platelet-rich plasma therapy regimen, supporting its potential efficacy in similar cases.

In this case report, a 28-year-old male with androgenetic alopecia experienced significant improvement in hair density and shaft thickness after a three-month platelet-rich plasma therapy regimen, supporting existing literature on PRP's efficacy for early-to-moderate hair loss.

In this study, the combination of castor or cedar oils with high-frequency treatment was associated with the growth of new hair, improved hair density, and increased hair strand thickness among patients with androgenetic alopecia, although it did not significantly affect scalp oiliness.

This review found that dutasteride is more effective than finasteride in increasing hair count and shaft thickness for androgenetic alopecia in men, with potential for reduced systemic side effects through mesotherapy, although further research is needed on long-term safety and dosage.

In this study, researchers administered eight sessions of intradermal injections containing growth factors into the scalp of 1000 patients, reporting a significant reduction in hair fall in 83% of participants and increased total hair count and shaft diameter, with promising tolerance and safety.

In this study, Eremochloa ophiuroides-derived fractions were found to significantly promote hair regrowth in a mouse model, demonstrating effects comparable to minoxidil and suggesting potential as natural hair growth agents through modulation of follicular activation markers and growth-regulatory factors.

This study found that in vivo, a novel microneedle system for valproic acid delivery may improve hair regrowth efficacy by upregulating hair follicle development pathways more effectively than topical application.

In this study, oral administration of Crataegus pinnatifida extract was associated with hair growth promotion in mice by inducing anagen phase and enhancing cell signaling related to hair follicle development.

This research found that spontaneous and depilation-induced hair growth result in biologically distinct telogen phases in murine skin, with variations in thickness, pigment content, and hair follicle composition.

In this study, trichoscopic examination revealed that patients with androgenetic alopecia had significantly more yellow dots, pilosebaceous units with one hair, and increased perifollicular hyperpigmentation compared to healthy controls.

This study found that trichoscopic quantitative parameters reliably indicate the severity of female pattern hair loss and complement the Sinclair scale by offering a more objective and reproducible grading system.

This study reports that scalp cooling therapies and minoxidil may promote hair regrowth in patients experiencing persistent chemotherapy-induced alopecia, with trichoscopy aiding in treatment assessment.

This review discusses the various trichoscopic features of androgenetic alopecia and alopecia areata, noting white dots in advanced cases as indicators of poor prognosis, but reports no new clinical results.

Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.

This article reviews common hair growth abnormalities in children, emphasizing the importance of distinguishing normal development from potential signs of metabolic disorders and indicates no new clinical results.

This abstract provides no results; it is a website notification about cookies and general access to JAMA content.

This study suggests that the action of minoxidil in stimulating hair growth likely occurs at the follicular dermal papilla, though it does not induce new follicle formation.

This study found that topical cilostazol promotes hair growth, enhances hair follicle activities, and may serve as a potential treatment for alopecia.

This study reports that the tetrapeptide AcSDKP significantly promotes skin and hair health in vitro and ex vivo, suggesting it could be used cosmetically to counteract skin aging and hair loss.

This study found that Cornu cervi pantotrichum pharmacopuncture solution significantly promoted hair growth in mice by enhancing hair follicular cell proliferation and up-regulating FGF-7 expression.