March 2023 in “Journal of clinical pharmacy and therapeutics” Isoliensinine, a natural compound, prevents stress-related hair greying by blocking a specific receptor on hair cells.
8 citations,
January 2016 in “Cells tissues organs” Norepinephrine helps skin cells grow, which is important for hair growth.
June 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stress causes hair graying by overactivating nerves that deplete color-giving stem cells.
Androgens increase norepinephrine release, promoting smooth muscle growth in male sex organs, which may contribute to benign prostatic hypertrophy.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
May 2022 in “Endocrine Abstracts” Finasteride may cause sexual dysfunction by reducing epinephrine levels.
1 citations,
August 2023 in “Andrology” Finasteride changes hormone levels and certain proteins in rats, but these effects can be reversed after stopping the drug.
38 citations,
January 2014 in “International Journal of Endocrinology” Adrenal disorders can cause lasting brain and behavior issues in children.
Scalp cooling is recommended to prevent chemotherapy-induced hair loss, but no effective drugs are available.
Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
61 citations,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
April 2018 in “Journal of Investigative Dermatology” Light can activate hair growth through a pathway from the eyes to hair follicles.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
2 citations,
March 2020 in “Developmental cell” Stress can cause hair to turn gray by depleting pigment-producing cells through the release of a stress hormone.
48 citations,
June 1988 in “PubMed” Minoxidil sulfate relaxes muscle by increasing potassium flow, making it a unique muscle relaxer.
25 citations,
June 2020 in “Dermatology practical & conceptual” Scalp cooling can help prevent hair loss from chemotherapy, but treatment should be tailored to the individual and more research is needed.
1 citations,
August 2017 in “International clinical psychopharmacology” Bupropion causes more hair loss than other antidepressants, with paroxetine causing the least.
February 2023 in “Clinical Toxicology” April 2023 in “Journal of Investigative Dermatology” PRP can improve hair growth in people with hair loss, but more research is needed.
May 2024 in “The journal of sexual medicine” Finasteride treatment may cause erectile dysfunction, but stopping it reverses these effects.
47 citations,
October 1989 in “Circulation Research” The study explains how minoxidil sulfate causes vasodilation in rabbits by opening potassium channels and inhibiting calcium channels.
Finasteride may cause memory problems by damaging the hippocampus.
43 citations,
May 1978 in “JAMA” Minoxidil controls blood pressure but may cause kidney damage and needs diuretics to prevent swelling.
3 citations,
April 2021 in “Journal of Medicinal Chemistry” Finasteride may affect PNMT, causing side effects.
14 citations,
January 2017 in “Elsevier eBooks” CBG may help with various medical conditions but needs more human research to confirm safety and effectiveness.
4 citations,
August 2021 in “Frontiers in Cell and Developmental Biology” Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.
393 citations,
November 2000 in “Archives of General Psychiatry” Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.
7 citations,
January 2019 in “Brazilian Journal of Pharmaceutical Sciences” Maidenhair fern extract reduced anxiety and depression in rats and may work due to its antioxidant and anti-inflammatory properties.
2 citations,
August 2021 in “Journal of Clinical Psychopharmacology” An 8-year-old girl's eyebrow hair loss was linked to atomoxetine for ADHD but grew back after stopping the medication.
February 2025 in “International Journal of Molecular Sciences” Maternal melatonin improves offspring hair growth by affecting specific proteins and pathways.