32 citations,
February 2008 in “Developmental dynamics” Mice without the Sp6 gene have problems developing several body parts, including hair, teeth, limbs, and lungs.
30 citations,
October 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” Thyroid hormones are important for skin health and might help treat skin diseases, but more research is needed to understand their effects fully.
30 citations,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
28 citations,
January 2012 in “International Journal of Trichology” Genetics affect early female hair loss, severity depends on duration, and low ferritin levels not significant.
28 citations,
December 2008 in “Laboratory investigation” Activin activation in skin cells speeds up wound healing without affecting scar quality.
27 citations,
September 2014 in “JAMA dermatology” Female donor to male recipient sex mismatch and positive ACA-IgG are key risk factors for vitiligo and alopecia areata in chronic GvHD patients.
24 citations,
August 2018 in “Journal of Ayurvedic and herbal medicine” Hibiscus rosa-sinensis may help treat various health issues and promote hair growth, but more research is needed for safety.
24 citations,
August 2011 in “Experimental Dermatology” The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.
22 citations,
March 2017 in “Scientific reports” Double-stranded RNA causes inflammation in hair follicle cells, which may help understand and treat alopecia areata.
22 citations,
June 2013 in “Australasian Journal of Dermatology” Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.
21 citations,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
21 citations,
July 2006 in “Veterinary dermatology” CD34 marks potential stem cells in dog hair follicles.
19 citations,
June 2021 in “Tissue Engineering and Regenerative Medicine” Fat stem cell particles help regrow hair.
19 citations,
February 2017 in “Journal of radiation research” High-dose radiation speeds up aging in skin stem cells.
19 citations,
March 1998 in “Endocrinology” Male rats have more somatostatin neurons than females due to testosterone converting to estrogen during early development.
17 citations,
November 2014 in “American Journal of Physiology-gastrointestinal and Liver Physiology” Finasteride helps brain function in rats with liver-related brain issues.
17 citations,
February 2014 in “The International Journal of Neuropsychopharmacology” 16 citations,
March 2020 in “Facial Plastic Surgery Clinics of North America” Platelet-Rich Plasma (PRP), a substance from a patient's own blood, can stimulate hair regrowth in people with Androgenetic Alopecia (AGA) who haven't had success with other treatments, but more research is needed to optimize its use.
16 citations,
May 2019 in “Hormone and Metabolic Research” Selenium might help with insulin resistance and cholesterol in PCOS, but more research is needed to confirm its benefits.
16 citations,
January 2016 in “International Journal of Medical Sciences” Wnt5a slows down hair growth by blocking a specific pathway during hair regeneration.
14 citations,
October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
14 citations,
October 2020 in “Journal of ethnopharmacology” Lepidium sativum seed extracts helped reduce inflammation and improve insulin response in obese rats on a high-fat diet.
14 citations,
March 2019 in “Journal of Cosmetic Dermatology” Activated platelet-rich plasma helps hair growth by boosting growth factors and cell growth pathways in hair cells.
14 citations,
January 2006 in “Skin pharmacology and physiology” Procyanidin compounds from apples and barley promote hair growth and prevent hair cell death.
12 citations,
June 2020 in “Frontiers in Cell and Developmental Biology” The PP2A-B55α protein is essential for brain and skin development in embryos.
12 citations,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
12 citations,
November 2003 in “Journal of the American Academy of Dermatology” Topical diphencyprone helped regrow hair in mice and rats with a condition similar to human hair loss.
11 citations,
January 2017 in “Oxidative medicine and cellular longevity” Antroquinonol may help prevent skin depigmentation by suppressing certain immune cells.
11 citations,
July 2016 in “Endocrinology” Higher Lnk protein levels in ovaries may lead to insulin resistance in women with PCOS.
11 citations,
April 2013 in “Journal of Proteomics” Found different proteins in balding and non-balding cells, giving insight into hair loss causes.