75 citations
,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
23 citations
,
August 2017 in “Scientific Reports” Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.
13 citations
,
January 2009 in “The Open Dermatology Journal” Oral pigmentation can be a sign of Addison's disease.
2 citations
,
June 2001 in “American Journal of Pathology” The document concludes that understanding how hair follicles naturally die and regenerate is important for insights into organ development and could impact health and disease treatment.
2 citations
,
May 2001 in “Current problems in dermatology” The conclusion is that effectively treating hair disorders is difficult due to the complex factors affecting hair growth and more research is needed to improve treatments.
53 citations
,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
31 citations
,
January 2011 in “Dermato-endocrinology” Melatonin protects skin against UV damage by regulating various cellular processes.
11 citations
,
February 2018 in “Archives of Pharmacal Research” Finasteride reduces melanin production, possibly treating hyperpigmentation and melanoma, but needs more safety research.
7 citations
,
April 2012 in “Biomolecular concepts” Keratin is crucial for keeping skin cells healthy and its changes can lead to diseases and affect cell behavior.
6 citations
,
August 2019 in “PLOS ONE” Gambogic Amide helps maintain hair color and promotes hair growth.
3 citations
,
October 2019 in “Pharmaceutics” New technique implants pigment in scalp with less pain and damage.
October 2025 in “Records of Natural Products” Kaempferol promotes hair growth and could be a natural treatment for hair loss.
38 citations
,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
69 citations
,
January 2013 in “Frontiers in Immunology” The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
43 citations
,
November 2019 in “PLoS ONE” MED23 and GNAQ genes are crucial for chicken feather color.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Astrotactin2 affects hair follicle orientation and skin cell polarity.
April 2017 in “Journal of Dermatological Science” B cells can both help and hinder the body's defense against melanoma.
April 2017 in “Journal of Dermatological Science” Certain flavonoids can improve the growth of pigmented hair in mice.
65 citations
,
July 2020 in “Science Advances” Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.
3 citations
,
August 2020 in “International Journal of Molecular Sciences” Blocking Rab27a slows hair growth, while blocking Rab27b encourages it.
3 citations
,
April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.
June 2025 in “Animal Bioscience” miRNA-24 affects goat coat color by controlling proteins involved in pigment production.
22 citations
,
October 2018 in “Aesthetic Plastic Surgery” Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
17 citations
,
January 2019 in “Journal of cancer” The formula YH0618 can reduce the harmful side effects of the chemotherapy drug Doxorubicin and protect healthy cells.
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.
7 citations
,
January 2019 in “Pharmaceutical Biology” Eclipta prostrata helps hair growth and maintains the growth phase by affecting certain growth factors.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
43 citations
,
May 1999 in “Journal of Biological Chemistry” Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.