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In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.

This study found that macrophage-stimulating protein (MSP) enhanced hair growth in both human hair follicles cultured in vitro and in mice through the promotion of anagen phase induction.

In this study, quercitrin was reported to promote hair growth and cell viability in cultured human dermal papilla cells by enhancing cellular energy metabolism and growth factor production via MAPK/CREB signaling.

In this study, researchers found that petroleum ether extract of Eclipta alba significantly stimulated follicular keratinocyte proliferation and reduced TGF-β1 expression in nude mice, suggesting potential use for certain types of alopecia.

This study found that stimulation with certain neurotransmitters and hormones suggests the involvement of 5α-reduced neurosteroids in glial cell differentiation in rat C6 glioma cells.

This study found that mackerel-derived fermented fish oil extract and its component DHA promote hair growth by activating anagen pathways in dermal papilla cells.

This study concluded that the inner root sheath inhibits the expression of certain differentiation markers in hair bulbs, with calcium-induced changes paralleling those seen in hair follicle mid-segments.

This narrative review concluded that facial aging involves complex anatomical changes that require multimodal rejuvenation approaches, integrating fillers, collagen stimulators, botulinum toxin, and energy-based devices for effective results, while emphasizing the need for scientific evidence and patient safety in aesthetic treatments.

In this study, researchers found that both oral and percutaneous applications of melatonin and lyotritone in laboratory rats enhanced hair quality and growth rate compared to a control group, which showed slower hair growth and lower hair quality.

In this study, minoxidil nanoparticles significantly increased hair growth rate in C57BL/6 mice compared to traditional minoxidil, suggesting enhanced effectiveness and potential as a new formulation.

This study found that kaempferol may stimulate hair growth in androgenetic alopecia by enhancing dermal papilla cell function and reducing dihydrotestosterone-induced damage, showing comparable efficacy to finasteride in a mouse model.

This study in diabetic db/db mice found that treatment with the antihypertensive agents minoxidil or nebivolol stimulated elastogenesis and inhibited elastolysis, leading to restored elastic fibers, reduced aortic stiffening, and normalized blood pressure.

Minoxidil increases blood flow in balding scalps, possibly reversing hair loss.

In this study, mycorrhizal fungal inoculation was associated with increased root-hair growth and enhanced drought tolerance in trifoliate orange by modulating auxin synthesis and transport under water stress conditions.

Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.

This study found that normal human epidermis expresses TSH and may be an indirect target of TSH signaling, with expression regulated by endocrine controls of the hypothalamic-pituitary-thyroid axis.

This study observed that a wearable electric stimulation device significantly promoted hair regeneration in rats and mice, outperforming conventional pharmacological treatments and enhancing growth factor secretion.

Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.

This study found that pubic skin fibroblasts respond to androgens, increasing 5α-reductase activity via an androgen receptor-mediated mechanism, suggesting its potential as a marker of androgen action in vitro.

This study found that repeated microneedle stimulation in mice promoted hair growth and increased the expression of hair-growth-related genes, suggesting potential therapeutic uses for alopecia.

This study found that palmitoylethanolamide may stimulate allopregnanolone synthesis and reduce oxidative stress in astrocytes through PPAR-α activation, suggesting a neuroprotective role.

In this study, dihydrotestosterone increased proliferation and decreased IL-6 production in in-vitro fibroblasts from hereditary gingival fibromatosis and normal gingiva, effects partially reversed by anti-androgens.

This study found that diagnosing nonclassic congenital adrenal hyperplasia in women based solely on serum 17OHP measurements can lead to false positives, suggesting the need for urinary steroid profiles and genetic testing for confirmation.

Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.

This research studied the effect of local testosterone propionate applications on rabbit epidermal mitotic activity but reports no new results.

This study found that testosterone combined with progesterone stimulated digging behavior in ovariectomized rabbits but also reduced food intake, an effect partially counteracted by progesterone.

This study found that quercetin increased melanin production in hair follicle tissues from C3H/HeN Jel mice, correlating with higher levels of tyrosinase protein and TRP-2 protein expression.

This study concluded that neither basal nor ACTH-stimulated 17-OHP concentrations effectively indicate carrier status for 21-hydroxylase deficiency among Slovenian hyperandrogenic women, recommending molecular analysis of the CYP21 gene for reliable screening.

Higher thyroid hormone levels may be linked to certain types of polycystic ovary syndrome.