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GlossaryNeuropeptides

small protein-like molecules that neurons use to communicate

Neuropeptides are small protein-like molecules used by neurons to communicate with each other. They influence a variety of brain functions, including pain perception, reward, food intake, metabolism, reproduction, social behaviors, and learning. In the context of hair and alopecia, neuropeptides can affect hair growth by modulating the activity of hair follicle cells and influencing the local immune response.

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Neuronal Plasticity of the Brain-Skin Connection: Stress-Triggered Up-Regulation of Neuropeptides in Dorsal Root Ganglia and Skin via Nerve Growth Factor-Dependent Pathways

research Neuronal Plasticity of the Brain-Skin Connection: Stress-Triggered Up-Regulation of Neuropeptides in Dorsal Root Ganglia and Skin via Nerve Growth Factor-Dependent Pathways

66 citations, July 2007 in “Journal of Molecular Medicine”

Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.

research Regulation of Human Hair Growth: Hormones and Neuropeptides

January 2016 in “프로그램북(구 초록집)”

Hormones and neuropeptides affect hair growth, with androgens having opposite effects on beard and scalp hair.

research Lymphocytes, Neuropeptides, And Genes Involved In Alopecia Areata

286 citations, August 2007 in “Journal of Clinical Investigation”

Alopecia areata is an autoimmune disease where T cells attack hair follicles.

research Somatosensory Organization and Behavior in Naked Mole-Rats: Peripheral Structures, Innervation, and Selective Lack of Neuropeptides Associated with Thermoregulation and Pain

101 citations, August 2003 in “Journal of comparative neurology”

Naked mole-rats have unique skin and hair nerve structures, lacking certain pain and temperature-related neuropeptides.

research Neuroimmunoregulation of Androgens in the Adrenal Gland and the Skin

48 citations, January 2000 in “Hormone Research in Paediatrics”

Cytokines and neuropeptides are key in controlling androgen levels, affecting skin and hair conditions.

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community He used Dutasteride for 20 years. Interview

in Treatment 109 upvotes 6 days ago

community Everyone is ignoring that plasma finasteride levels are 100x lower with topical compared to oral.

in Research/Science 127 upvotes 4 months ago

Topical finasteride results in plasma levels 100 times lower than oral finasteride, potentially reducing systemic side effects. Users report similar efficacy with fewer side effects, suggesting a preference for topical application.

community Peptides that Stop Hair Loss? | In-depth Literature Review Video

in Research/Science 71 upvotes 4 months ago

Peptides like TB500, KPV, GHK-CU, and BPC-157 are overhyped for hair growth with limited proven effectiveness in humans. Combining peptides with delivery methods like iontophoresis and sonophoresis shows promise, but many claims remain unproven.