September 2019 in “Journal of Investigative Dermatology” People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.
134 citations
,
January 2010 in “Biomedical research” Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.
October 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” L-PRP and P-PRP reduced endometriosis in rats, but not significantly more than saline.
April 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Hyaluronic acid microneedles with herbal extracts may effectively promote hair growth for treating hair loss.
Periplaneta americana extract promotes hair growth and is safe for treating hair loss.
April 2018 in “Journal of Investigative Dermatology” Light can activate hair growth through a pathway from the eyes to hair follicles.
96 citations
,
January 1940 in “Journal of Endocrinology” Complete adrenal removal causes more hair loss in rats than partial removal.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
2 citations
,
December 2019 in “Nanoscience and Nanotechnology Letters” SVF and PRP promote hair growth by boosting specific proteins in the Wnt/β-catenin pathway.
20 citations
,
October 2008 in “Archives of dermatological research” Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
September 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” Using platelet-rich plasma for storing hair grafts improves hair regrowth and density.
November 2024 in “Journal of Investigative Dermatology” Adrenomedullin 2 stops cell growth and causes cell death in human hair follicles.
November 2025 in “Analytical Chemistry” A new method improves protein extraction from hair, helping identify potential biomarkers for fetal growth issues.
27 citations
,
June 2023 in “Nature” Senescent melanocytes can boost hair growth by activating hair stem cells.
January 2024 in “Journal of Cosmetics, Dermatological Sciences and Applications” Injecting a peptide-hyaluronic acid mix improved hair growth in men with hair loss and was safe.
60 citations
,
September 2016 in “Dermatologic Surgery” PRP treatment may stimulate hair growth by promoting blood vessel formation, increasing growth factors, and preventing cell death.
6 citations
,
January 2020 in “Methods in molecular biology” The method successfully isolates cells that are important for hair growth and could help study hair loss.
25 citations
,
September 2015 in “Clinical Endocrinology” Using 17-hydroxyprogesterone levels to diagnose nonclassic congenital adrenal hyperplasia can result in many incorrect diagnoses.
30 citations
,
January 2001 in “Journal of the American Veterinary Medical Association” High adrenal sex hormones in dogs with hypercortisolemia can mislead adrenal hyperplasia diagnosis.
4 citations
,
September 2020 in “PeerJ” Platelet factor 4 slows down hair growth and could make hair loss treatments more effective if removed.
202 citations
,
January 1989 in “Journal of Clinical Investigation” Insulin changes sex hormone levels in women with polycystic ovary syndrome without affecting other hormone releases.
January 2014 in “Journal of Investigative Dermatology” Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.
1 citations
,
January 2022 in “Journal of Oleo Science” Phyllanthus emblica extract in transfersomes is a promising treatment for hair growth.
January 2026 in “JCEM Case Reports” A rare case of Cushing's syndrome and pheochromocytoma requires careful re-evaluation to avoid complications.
April 2023 in “Journal of Investigative Dermatology” Transplanted stem cells from hair follicles significantly boosted hair growth and normalized follicles in certain mice.
December 2021 in “International Journal of Research in Dermatology” PRP shows promise for treating hair loss but needs standardized methods to confirm its effectiveness.
71 citations
,
January 2019 in “International journal of biological sciences” Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.
December 2021 in “Biomedical journal of scientific & technical research” Oral processed egg yolk improves hair regrowth and quality in alopecia patients.
April 2019 in “Journal of the Endocrine Society” A chest X-ray can effectively diagnose ectopic ACTH secretion from lung tumors.
23 citations
,
May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.