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In this study, a Monte Carlo-generated synthetic cohort analysis found that higher simulated cannabis exposure was linked to increased self-assessed hair loss severity and reduced follicular density, suggesting potential connections worth exploring in further clinical research.

This systematic review reported that probiotics, prebiotics, synbiotics, postbiotics, and dietary supplements may improve hair density and reduce dandruff severity in individuals with scalp disorders, potentially by modifying inflammation, oxidative stress, and microbiota composition; however, variability across studies limits the strength of these conclusions.

This review explores the potential, challenges, and recent advancements of dissolving microneedles in drug delivery, summarizing their varied applications and current limitations without providing new clinical results.

In this study, researchers found that using a handheld digital microscope, hair diameter was a better determinant of perceived alopecia severity in androgenetic alopecia than hair density.

This study found that intradermal injections of cultured autologous dermal sheath cup cells for androgenetic alopecia showed hair loss stabilization at 24 months without serious adverse effects and a sustained response in some participants.

This study created a Wnt3a protein gradient using Multiphoton Microfabrication technology, which improved hair-inductive properties in mouse and human hair dermal papilla cells, suggesting potential applications in hair regeneration research and drug screening.

This review discusses the negative health impacts of testosterone deficiency and the potential adverse effects of 5α-reductase inhibitors, emphasizing the need for patient-physician discussions regarding these treatments.

This study suggests that the secretome from amniotic fluid-derived mesenchymal stem cells overexpressing Nanog could stimulate hair growth and increase follicle density, potentially aiding in alopecia treatment.

This study found that maternal melatonin supplementation improved fur quality in Rex rabbit offspring by increasing hair follicle density and altering melatonin receptor gene expression in several organs.

This study found that Hetian sheep with higher wool density produce more and finer wool, with key genes potentially influencing their wool growth and density.

This study identified Activin A and its antagonist follistatin as crucial regulators of hair cell differentiation in mice, suggesting a local gradient of Activin A influences auditory sensory epithelium development.

This study identifies Activin A and follistatin as key regulators of hair cell differentiation in the mouse auditory sensory epithelium, influencing the timing and pattern of hair cell development.

In this pilot study, combined platelet-rich plasma therapies showed potential benefits for improving skin elasticity and vascular network density in morphea patients, but the small sample size limits definitive conclusions.

Modified HDL can better deliver drugs and genes, potentially improving treatments and reducing side effects.

This review evaluates controlled studies on Platelet-Rich Plasma for androgenetic alopecia treatment, reporting positive effects on hair growth and density but highlighting the need for standardized protocols.

In this study, machine learning models showed high accuracy in predicting therapeutic outcomes for female pattern hair loss, highlighting the significant impact of age of onset and condition duration on treatment response.

In this study, researchers showed that the CAP1 gene regulates root hair growth in plants by modulating cytoplasmic ammonium levels and maintaining calcium gradients, highlighting its role in ammonium homeostasis.

This study found that salinity stress in Arabidopsis thaliana root hairs may inhibit hair extension through changes in the tip-focused Ca(2+) gradient, while cytosolic pH remains unaffected.

In this study, researchers investigated EGCG's spectroscopic properties and its interaction with DPPG lipid, finding that both experimental and theoretical approaches agree on the electronic transitions and reveal an increased absorbance due to molecular interactions.

This study observed that many women with PCOS had unfavorable lipoprotein profiles, mostly moderate changes in triglycerides, HDL, and LDL cholesterol, with small LDL particles not being rare and potentially aiding risk assessment.

This study found that a sub-fraction of Noni fruit, FEA-3, showed hair growth-promoting effects in a rabbit model of androgenic alopecia, similar to Minoxidil.

This study discovered that calcium dependent protein kinase 1 (CPK1) directly activates cyclic nucleotide-gated channels 5, 6, and 9, promoting root hair growth in Arabidopsis by regulating Ca²⁺ signaling.

This review examines the potential of plant-derived exosome-like nanovesicles in dermatology, highlighting their bioactive properties and discussing challenges to their clinical application, but does not provide new clinical results.

This study found that FUE megasession with a specific surgical design is an effective and satisfactory treatment for Asian patients with high-grade male androgenetic alopecia, achieving natural hair density and high patient and doctor satisfaction, with minimal side effects.

In this study, researchers assessed the efficacy of Trichosera® hair serum, containing mesenchymal stromal cells conditioned media, among 40 healthy Indian volunteers, finding significant improvements in hair growth rate, hair density, scalp condition, and reduction in hair fall without notable adverse effects.

This review explores the role of macrophage subsets in adult cutaneous wound healing and emphasizes their potential for therapeutic targeting, but reports no new experimental results.

This review examines the complexities of age-related skin healing and discusses how translating findings from model organisms to humans could enhance understanding and treatment of impaired regeneration in aging populations, but it reports no new clinical results.

This review examines melatonin's potential effects on human skin and hair follicle pigmentation, highlighting the need to confirm findings from cell cultures in physiological tissue contexts.

This study found that vitamin D receptor expression is associated with proliferating keratinocytes, while retinoid X receptor α is linked to differentiating keratinocytes, suggesting differential targeting by vitamin D metabolites.

This study generated a gene-edited cashmere goat with improved cashmere yield and fiber length by integrating VEGF at the FGF5 site, offering insights into hair growth mechanisms.