November 2022 in “Journal of Investigative Dermatology” Butyrate helps hair grow longer, improves hair cell health, increases pigment production, and boosts hair's natural defenses.
January 2019 in “Trace Elements in Medicine (Moscow)” Hair analysis may help monitor health in children with Down syndrome and obesity.
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.
January 2009 in “The Chinese Journal of Dermatovenereology” Higher doses of Tribulus terrestris extract increase MC-1R expression in mouse hair follicles.
March 1983 in “Annals of Internal Medicine” 5-Aminosalicylic acid enemas may cause immediate hair root damage and hair loss.
139 citations
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July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
45 citations
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January 2010 in “Forensic science international” Neonatal hair can help determine drug exposure during pregnancy.
16 citations
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May 2020 in “Psychoneuroendocrinology” People with Parkinson's disease have higher levels of cortisone in their hair, which may indicate chronic stress hormone dysfunction.
9 citations
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January 2005 in “Experimental Dermatology” Human hair follicles can produce stress hormones like the body's main stress response system.
8 citations
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December 2015 in “JAMA ophthalmology” A young man had vision loss, hair loss, and other symptoms, but tests showed mostly normal results except for slightly high protein in spinal fluid.
7 citations
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July 2014 in “Facial Plastic Surgery Clinics of North America” Different ethnic hair traits must be considered for successful hair restoration surgery to achieve natural-looking results.
3 citations
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January 2012 Hair cortisol analysis shows sweat affects cortisol levels, and severe OSA may increase stress, but CPAP treatment doesn't significantly reduce physiological stress.
2 citations
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August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
June 2026 in “Journal of Cutaneous and Aesthetic Surgery” Undiagnosed diabetes can lead to serious infections after surgery, but proper treatment can ensure healing.
December 2025 in “Skin Appendage Disorders” Scalp apocrine glands may help remove waste and balance electrolytes, but their role is not fully understood.
September 2016 in “Toxicology letters” The 5050 MHA42MCS45 hydrogel blend is suitable for repairing load-bearing soft tissues.
Increased calcium in hair may signal early bone health issues in menopausal women.
July 2002 in “Journal of cosmetic dermatology” Hair loss can be treated with medications like finasteride and surgical methods like hair transplants.
April 2025 in “Journal of the American Academy of Dermatology” The study has limitations, and future research should use better methods to improve treatment for children with hair loss.
February 2005 in “Journal of The American Academy of Dermatology” Doctors should recognize various nail disorders, new allergens, and metabolic syndrome in patients, and use botulinum toxin carefully in aesthetic procedures.
January 2017 in “IP Indian journal of clinical and experimental dermatology” Early-onset male baldness is not linked to insulin resistance, but is significantly associated with metabolic syndrome.
February 2025 in “BMC Genomics” Melatonin improves cashmere quality and yield in goats by enhancing hair follicle development.
January 2023 in “Indian Dermatology Online Journal” Uncombable hair syndrome is linked to Zellweger syndrome.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Blocking IL-1 could help treat some hair loss conditions; alopecia affects liver detox systems; spironolactone is better than finasteride for female hair growth; focusing on the catagen hair phase could lead to new alopecia treatments.
109 citations
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February 2018 in “CB/Current biology” ERULUS controls root hair growth by regulating cell wall composition and pectin activity.
24 citations
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January 2001 in “International Journal of Cancer” Permanent hair dye use may increase bladder cancer risk, especially in female smokers with certain genetic traits.
18 citations
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May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
9 citations
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April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
9 citations
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January 2006 in “Cutaneous and ocular toxicology” L-cystine, D-pantothenat, and miliacin together significantly boost keratinocyte growth and metabolism.