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This study investigates the potential of a cosmetic day lotion with a 5a-reductase inhibitor and a night lotion with an angiogenic ingredient to modulate hair growth, but reports no clinical results.

This study found that glycosaminoglycan levels were higher in the occipital area of the hair shaft compared to the parietal area, with children showing higher levels than adults.

This study found that radiation negatively impacts the survival and proliferation of fibroblasts on human dermis transplants, but hair follicle pores enhance cell viability even after irradiation.

This study found that measuring reproductive hormone levels in brown bear hair may effectively support non-invasive genetic sampling, though larger samples or more sensitive techniques are needed for broader application.

This study found that low molecular weight collagen peptide from fish may promote hair growth in both human cells and mice by activating the Wnt/β-catenin signaling pathway.

This review discusses the advantages and limitations of various hair loss evaluation methods but reports no new results; it emphasizes the importance of cautious interpretation for these diagnostic tools.

This study examines various methodological factors affecting hair cortisol concentration analysis, finding inconsistent results on the impact of factors like resuspension solution, hair weight, extraction duration, and hair-cutting method.

This article discusses various mechanisms for promoting hair growth in pattern hair loss and highlights the challenge of balancing short-term measurable results in trials with the need for long-term efficacy data.

This review evaluates hair growth measurement methods for human scalp hair, suggesting that combining highly resolutive analytical approaches with global calibrated methods is recommended for assessing hair changes in clinical settings.

In this scoping review, researchers observed that while AI-assisted trichoscopy holds promise for standardized assessments of hair and scalp disorders, its clinical translation is limited by small proprietary datasets, inconsistent validation protocols, and a scarcity of real-world clinical studies.

This study found that the contribution of the hair follicle pathway to skin permeation of chemicals can be predicted using lipophilicity, with hydrophilic chemicals showing greater permeation reduction from hair follicle plugging than lipophilic ones.

This review describes how liver and kidney diseases and diabetes may affect ethyl glucuronide levels in hair, impacting forensic and clinical interpretations, but reports no new experimental results.

This study reported that a newly developed UHPLC-MS/MS method detected illegal synthetic hair-growth compounds in 10% of 76 hair-growth products, highlighting the need for ongoing monitoring to protect public health.

In this study, human dermal fibroblast-conditioned medium was found to contain numerous proteins involved in wound repair and hair regeneration, with identified proteins forming interaction networks linked to key signaling pathways like epidermal growth factor receptor and transforming growth factor-β.

Phospholipid-coated nanoparticles penetrate hair follicles better than others, especially in pig ears.

This study reviewed the current analytical techniques for estimating finasteride, a drug used for treating benign prostatic hyperplasia, acute urine retention, and male pattern hair loss.

LMWP-PDGFA shows promise for improving hair health and treating hair loss with fewer side effects.

The two lotions used day and night may be a good alternative to minoxidil for hair loss treatment with better cosmetic effects and tolerance.

This article reviews the clinical features, diagnostic criteria, and possible genetic and environmental influences of polycystic ovary syndrome but provides no new research findings.

This study found that PEGylation of nanoparticles enhances their penetration into hair follicles, with higher molecular weight PEG resulting in deeper follicular delivery.

This review examines the benefits of topical hyaluronic acid in cosmetic applications, noting its ability to penetrate the skin in low-molecular-weight forms and highlighting safety supported by clinical trials.

This review discusses strategies for weight loss in obesity through dietary energy deficits and nutrient profile modifications and highlights the need for personalized dietary approaches; it reports no new data.

This study found that progesterone levels were suppressed in underweight anorexia nervosa patients compared to healthy controls, as measured through hair analysis, and did not increase during short-term weight restoration.

In this study, black wolfberry ferment was found to promote hair regrowth in mice with androgenetic alopecia by increasing hair weight, follicle count, and skin thickness, potentially through PI3K/AKT, NF-kappa B, and MAPK signaling pathways.

In this study, researchers reported that a combination treatment of Morinda citrifolia fruit extract and Averrhoa bilimbi leaf extract at specific concentrations significantly increased hair growth and weight in rabbits compared to controls, suggesting a potential anti-hair loss effect.

This study identified hypericin and berberine as compounds that can support hair growth by enhancing oxytocin receptor expression and acting as an oxytocin receptor agonist, respectively, potentially serving as practical alternatives to oxytocin for treating hair-loss diseases.

This study found that a cedrol nanoemulsion improved hair growth and bioavailability compared to an ointment, demonstrating enhanced efficacy in vitro and in vivo.

In this study, researchers developed a method called the Stiffness-Angle Law and found that hair treated with caffeine-infused shampoo showed a 13.2% increase in stiffness, as measured by their novel evaluation technique.

This study found that using cultured mesenchymal stem cells from mouse whisker hair follicle outer root sheath in wound healing reduced inflammation, accelerated closure, and resulted in less hypertrophic scarring in mice.

This study presents a new method using UPLC-ESI-MS/MS for analyzing the constituents of a medicinal herbal complex extract, which includes herbs traditionally used to prevent hair loss and promote hair growth; no clinical results were reported.