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This study found that in a testosterone-induced androgenetic alopecia mouse model, the combination of PRP-derived small extracellular vesicles and 5% minoxidil significantly improved hair follicle density and the anagen-to-telogen ratio compared to minoxidil alone, suggesting a synergistic effect that enhances hair growth.

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 platelet-rich plasma significantly improved hair growth parameters in androgenic alopecia patients and was even more effective when combined with minoxidil, particularly in reducing vellus hair.

This study found that finasteride increases anagen hair growth in men with androgenetic alopecia.

This study found that applying amaranthus extract cream to the scalp significantly improved terminal hair density, anagen hair count, and pilary index in men with male pattern hair loss, suggesting it may be a safe and effective supportive therapy.

Ashwagandha nanoparticles help hair grow by increasing a growth factor.

In this study, a topical formulation with compounds from the monoterpenoid family significantly improved hair growth indicators like anagen:telogen ratio, hair fall, and visual hair density in men and women with pattern hair loss.

This study found that a novel drinkable supplement significantly increased hair density and reduced hair shedding over six months in women with telogen effluvium, although the authors emphasize the need for larger, placebo-controlled trials to confirm these promising results.

This study found that a herbal shampoo and solution were more effective than placebo in reducing hair loss and improving hair growth in participants with androgenetic alopecia and telogen effluvium.

This study found that a supplement containing cystine, B vitamins, and minerals improved hair condition in 34 women with diffuse hair loss over six months, as evidenced by an increased anagen/telogen hair ratio, positive participant feedback, and no serious side effects.

This study demonstrated that polynucleotide gel injections effectively reduced hair shedding and increased hair thickness in both men and women with androgenetic alopecia, while maintaining a high safety profile and patient satisfaction.

This study found that ethanolic and petroleum ether extracts of Cuscuta reflexa, as well as an isolate from these extracts, improved hair growth and follicle characteristics in androgen-induced alopecia in rats.

In this study, petroleum ether extracts of Phyllanthus niruri promoted hair regrowth in testosterone-induced alopecia in rats by inhibiting the 5α-reductase enzyme.

In this study, women experiencing hair thinning who consumed tailored botanical-based nutraceuticals saw significant increases in linear hair growth rate and other hair health parameters over 90 and 180 days, supporting their effectiveness across different life stages.

In a study on hair loss treatment, researchers found that a serum containing Cinchona succirubra extract and caffeine improved hair density and reduced hair loss in individuals with acute telogen effluvium after 16 weeks of use, with significant improvements observable after just 4 weeks.

In this study, the researchers found that the ethyl acetate fraction of Sansevieria trifasciata P. (20%) was just as effective as minoxidil (2%) in promoting hair growth in male rabbits, with notable results in hair follicle proliferation and a favorable anagen to telogen ratio.

Hair diameter diversity is a key sign for diagnosing and managing male pattern baldness.

This study found that white wax and its extract may promote hair growth in a mouse model of androgenetic alopecia by inhibiting 5α-reductase activity and increasing cell proliferation, with efficacy surpassing finasteride.

In this study, A. capillus-veneris solution demonstrated potential to reduce hair loss and improve hair characteristics in a testosterone-induced alopecia mouse model.

This study reported that Nyumi Happy Hair Gummies improved hair growth, thickness, density, and gloss in adults with hair fall, while also reducing hair fall and enhancing nail health, without any adverse effects reported during the trial.

This review explores the evaluation methods and biological parameters involved in hair growth assessment, highlighting their distinct applications and advantages, but presents no new clinical findings.

This letter to the editor on postpartum telogen effluvium does not include new research findings or data.

This article reviews the concept of telogen effluvium and emphasizes the importance of identifying triggers and using diagnostic investigations to determine the cause of hair loss, without reporting new results.

The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.

Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.

This study found that the TrichoScan software effectively differentiated between androgenetic alopecia and telogen effluvium in women with diffuse hair loss, aligning with clinical diagnoses.

The shampoo helps reduce hair loss and improves Minoxidil® absorption.

This study proposes a new clinical scoring method for hair density based on hair diameter diversity, which correlates with existing measures and reflects follicle miniaturization in androgenetic alopecia.

This case study reports on an 11-year-old boy with woolly hair nevus, featuring twisted hair shafts and an abnormal hair cuticle, alongside epidermal nevi on his face and back.

This study found that psoriasis patients with scalp involvement had a significantly lower anagen ratio and higher telogen ratio compared to healthy individuals, indicating an association with an increased telogen/anagen ratio.