14 citations
,
September 2020 in “Clinical, cosmetic and investigational dermatology” The hair serum significantly improved hair growth and reduced hair fall without causing any skin issues.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
October 2020 in “Journal of Aesthetic Nursing” Platelet-rich plasma (PRP) injections effectively treat hair loss and thinning in both men and women, with high satisfaction and no major side effects.
13 citations
,
August 2016 in “Medical Hypotheses” Hair characteristics might be early signs of Type 2 Diabetes and could help with early prevention.
3 citations
,
October 2017 in “Journal of Cosmetic Dermatology” Dr. Muhammad Ahmad created a hair classification system to help improve hair restoration surgery outcomes.
April 2024 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Using both minoxidil and biotin together increased hair growth more than using either one alone.
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
February 2009 in “Journal of The American Academy of Dermatology” AGA patients have higher rates of metabolic syndrome and carotid atheromatosis, suggesting early screening and prevention is important.
28 citations
,
March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
22 citations
,
January 2017 in “Indian Dermatology Online Journal” Body hair transplants can treat baldness but differ from scalp hair and need more research on long-term results and side effects.
2 citations
,
November 2016 in “PubMed” Robotic hair restoration is efficient, minimally invasive, reduces scarring, and leads to quick healing with high patient satisfaction.
January 2005 in “Boletín del Instituto de Estudios Giennenses” The test product significantly improved hair growth and reduced hair fall without causing skin issues.
32 citations
,
December 2017 in “Journal of Drug Delivery Science and Technology” Minoxidil and caffeine in transfersomes improve hair growth treatment.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
7 citations
,
November 2022 in “International Journal of Molecular Sciences” As Japanese males age, their hair darkens due to increased melanin, with males generally having darker hair than females.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair growth slows under force, confirming a model of cell wall mechanics.
1 citations
,
November 2022 in “Nutrients” Hair glucocorticoid levels and gut bacteria are linked to growth rates in piglets.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
39 citations
,
December 2011 in “PLoS ONE” Radiofrequency exposure can stimulate hair growth by increasing IGF-1 in hair follicle cells.
15 citations
,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
51 citations
,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
December 2025 in “Saudi Pharmaceutical Journal” The new minoxidil formula speeds up hair growth effectively.
February 2010 in “Journal of The American Academy of Dermatology” Low-level laser therapy increased hair growth compared to no treatment.
August 2025 in “Tropical Journal of Natural Product Research” Celery extract and candlenut oil effectively and safely boost hair growth.
5 citations
,
July 2020 in “PubMed” Both oral contraceptives reduced hirsutism in PCOS patients, but adding metformin showed no extra benefit.
75 citations
,
September 2015 in “Acta biomaterialia” Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.
72 citations
,
January 2012 in “Annals of Dermatology” IGF-I promotes hair growth by keeping hair follicles in the growth phase longer.
20 citations
,
September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
19 citations
,
April 2010 in “Journal of Dermatological Treatment” Partial hair follicle extraction can effectively double the number of hair follicles for transplants, with most surviving and growing normally after a year.