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This review explores regenerative treatment options for non-scarring alopecia, with a focus on the potential of mesenchymal stem cells for hair regrowth, but it reports no new clinical results.

In this study, a modified Xception deep learning model achieved a 92% accuracy rate in diagnosing hair and scalp disorders, significantly outperforming other models, suggesting AI could improve dermatological diagnostics' accuracy and accessibility.

This study suggests that Silybum marianum flower extract may promote hair growth and reduce hair loss by increasing proliferation and VEGF production in dermal papilla cells and suppressing cell senescence.

This study found that hair care products containing fermented papaya, fermented mangosteen, and caffeine significantly inhibited hair loss, increased hair density and thickness, and improved hair follicle structure in individuals with androgenic or diffuse alopecia over three months compared to placebo and caffeine controls.

This study observed that the Pilogics Hairegen device increased total hair count by 23.2% and terminal hair count by 21.1% in 289 patients with androgenetic alopecia after approximately 20 weeks of use, with no adverse effects reported.

In this study, baseline neutrophil-to-lymphocyte ratio (NLR) was associated with predicting early trichoscopic response in patients undergoing PRP-based treatment for non-scarring alopecia.

This study found that a data-driven model using XGBoost effectively predicts individualized responses to minoxidil for androgenetic alopecia, outperforming traditional methods in accuracy and reliability.

This study found that scalp micropigmentation was a safe and effective cosmetic solution for localized alopecia, showing significant improvement in visual density and high patient satisfaction without adverse events.

This study found that among various treatments for male androgenetic alopecia, dutasteride 0.5 mg/day was the most effective option overall. Additionally, among FDA-approved treatments, topical minoxidil 5% was the most effective topical therapy, and finasteride 1 mg/day was the most effective oral therapy.

In this study, the researchers found that the water-soluble fraction of Rhus semialata gall extract and its component Penta-O-Galloyl-β-D-Glucose promoted hair growth in human dermal papilla cells, and clinical trials supported these findings, showing improved hair density and appearance compared to placebo.

In this clinical study, a vegan collagen builder (VEGCOL™️) was shown to safely and effectively improve hair growth, skin smoothness, wrinkle reduction, and joint pain relief in adults, with enhancements varying by dose over a 60-day period.

The researchers reported that one-third of women with female pattern hair loss in their study had occipital region involvement, which is important for diagnosing and planning treatment, including hair restoration surgery, as the occipital region is often used as a normal reference.

This review discusses various potential applications of platelet-rich fibrin in dermatology, but reports no clinical results and highlights the need for standardized protocols.

Hair grows like a crystal at a solid-liquid interface without cell division.

This study found that modern styling cosmetics can significantly alter hair structure through changes in interfacial chemistry and cohesion, particularly when applied to already damaged hair.

In this study, researchers observed that telogen hair was more prevalent than anagen hair in both male and female agoutis over a one-year period in Teresina-PI, regardless of dry or rainy seasons, with no significant differences in dermal follicular volume between the sexes.

This study developed a deep learning framework and quantitative model that accurately predict basic and specific classification in male androgenetic alopecia by analyzing trichoscopic images.

This study concluded that both oral and topical spironolactone effectively treat androgenetic alopecia, with topical administration being safer and suitable for any gender, especially when combined with minoxidil.

This study found that ocu-miR-205 influences hair follicle density and signaling pathways in Rex rabbits by promoting dermal papilla cell apoptosis and altering hair follicle phases.

In a mouse study, Fr2 from Platycladus orientalis L. significantly enhanced hair growth, suggesting its potential as a natural therapeutic agent for hair regeneration.

This study observed that the herbal extract WJWE promoted hair growth and protected hair follicle cells in a DHT-induced murine model of androgenetic alopecia, potentially by engaging the SIRT1/JNK/p38 MAPK and Wnt5A/β-Catenin signaling pathways.

The study concluded that dutasteride 0.5 mg daily for 24 weeks was the most effective monotherapy for increasing hair density in men with androgenetic alopecia, compared to other interventions.

This study found that maternal sub-maintenance nutrition reduced the density and branching ratio of secondary wool follicles in Merino sheep fetuses and identified genes potentially involved in these processes.

This study found that ocu-miR-205 affects signaling pathways, promoting the apoptosis of dermal papilla cells and influencing hair follicle density in Rex rabbits.

This study found that ocu-miR-205 promotes apoptosis in dermal papilla cells, alters hair follicle signaling pathways, and affects hair density in Rex rabbits.

In this study using live mice, researchers observed that during hair follicle regression, apoptosis in basal cells may propagate by triggering neighboring cells, potentially regulated by a gradient of pro-survival signals from stem cells, and proposed a testable mechanism to further explore this process.

This study reported that Cacumen Platycladi extract significantly reduced hair loss and increased hair density in a 12-week clinical trial, suggesting it may be a safe and effective natural treatment.

This study found that nanoparticulate trigonelline formulations significantly improved hair length and density in rats with induced alopecia compared to controls and commercial hair oil, though it was not more effective than minoxidil after 30 days.

This study found that HET extract increased dorsal hair density and VEGF protein expression in a hair growth animal model suggesting its potential efficacy for alopecia treatment.

This study demonstrated that engineered exosomes carrying EGF and FGF restored hair density and follicle integrity in an androgenetic alopecia mouse model by reactivating hair follicle growth factors, offering a novel therapeutic approach without immunogenic reactions or systemic toxicity.