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In this study, PRP treatment improved hair loss in 40 female patients with female pattern alopecia, with most progressing to better grades of hair coverage after 6 months, while only minor pain was occasionally reported as an adverse effect.

In this study, microneedling and intralesional corticosteroid injections in patients with alopecia areata showed similar hair regrowth effectiveness, with microneedling resulting in more uniform but less dense regrowth and fewer side effects.

This study found that microneedling improved hair density and thickness with minimal side effects in patients with androgenetic alopecia and telogen effluvium.

This study reviews the evolution and modifications of microneedle drug delivery systems, initially designed for percutaneous use, now expanded for targeting a variety of tissues and organs such as ocular, oral mucosal, and gastrointestinal, suggesting widespread future applicability.

This study observed that microneedling induced significant hair regrowth and reduced hyperpigmentation in two Pomeranians with alopecia X, with stable results over 12 months.

In this study, researchers developed grooved microneedles made from hyaluronic acid for precise transdermal drug delivery, achieving accurate dosage with a high probability of delivery (98% or more) by using an easy-to-operate applicator for shearing force.

This study found that phosphorus and nitrogen deprivation increased root hair length in Brassica carinata and induced the expression of certain P-responsive genes, such as LRR and PRP.

This study found that etifoxine pretreatment reduced neuroinflammation and improved cognitive function in LPS-induced neuroinflammation in mice, potentially through increased neurosteroid synthesis and reduced apoptosis.

This study found that progesterone significantly delayed epileptogenesis development in a mouse model, and its effects were inhibited by finasteride, highlighting the potential role of neurosteroids in modifying epilepsy progression.

This study demonstrated that stress inhibited hair growth in mice, likely through substance P-dependent activation of immune cells, highlighting a brain-hair follicle connection.

The researchers reported that reactive oxygen species regulate the stress-induced SP-Mast cell pathway, which might support using antioxidants to treat stress-related hair loss.

In this study, researchers demonstrated that in a mouse model, the stimulation of mammary tumor growth due to progesterone is primarily caused by its metabolite, 5αP, not progesterone itself.

This study found that Guasha therapy did not significantly alter nerve fiber morphology or the expression of CGRP and SP in rat skin, with parameters generally returning to normal within five days.

This study found that consumption of sweetened tea drinks increases the risk of female androgenetic alopecia, with the relationship being mediated by later bedtimes rather than daily sugar intake.

This research observed that while organic farming systems in Southern Norway showed decreased phosphorus over time and variable nitrogen retention, the mulching of plant material could enhance vegetable yields, suggesting a need for innovative nutrient management strategies in organic farming.

This study found that Transcutol P significantly enhanced the skin penetration of Finasteride in vitro, while cationic and anionic surfactants did not show such effects.

In this study, researchers found that caffeine can counteract stress-induced damage in ex vivo human androgenetic alopecia hair follicles, suggesting it may help prevent stress-related hair loss.

This study suggests that Artemis, particularly phosphorylated at serine 516, may have roles in hair follicle growth by influencing differentiation, proliferation, apoptosis, and cell cycling.

This study demonstrated that steroidal carbamates 7–10 altered mRNA expression related to lipid metabolism in hamster flank organs and inhibited 5α-reductase activity without binding to the progesterone receptor.

This study found that foot shock stress prolonged the telogen stage and delayed anagen induction in the hair cycle of non-depilated mice, potentially through stress-induced actions of substance P.

In this study, researchers found that substance P triggered premature catagen development and immune changes in human scalp hair follicles, providing a possible biological link between stress and hair loss conditions like telogen effluvium and alopecia areata.

This study provides evidence that psychoemotional stress inhibits hair growth in mice by affecting the brain-hair follicle axis, with specific neuropeptides and treatments modulating this effect.

This study in mice demonstrated that stress or nerve growth factor injection increases sensory neuron activity related to skin innervation, suggesting a strong connection between stress perception and neurogenic skin inflammation.

This study found that the sebum partition coefficient (K(sebum)) for some drugs differs from the stratum corneum partition coefficient (K(sc)), indicating its importance for targeted drug delivery into hair and sebaceous follicles.

This abstract reviews the symptom of trichodynia, a painful scalp sensation linked to hair loss, and highlights its potential connection to inflammation but reports no new research findings.

This study identifies substance P, TNFα, and IFNγ as novel regulators of prolactin and its receptor expression in human skin, suggesting intracutaneous prolactin is not controlled by dopamine.

The paper suggests improving diagnosis and treatment of telogen effluvium but does not recommend a new classification system.

This review discusses the concept of drug repositioning and highlights fragmin and protamine as emerging biomaterials for tissue engineering and regenerative medicine, but it reports no new clinical results.

Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.

This review discusses potential mechanisms and treatments for trichodynia, noting a lack of strong literature support and reporting no new clinical results; the authors highlight several hypotheses and available treatment options.