90 citations
,
August 2004 in “Physiological Genomics” Dermal papilla cells help skin stem cells grow into hair.
11 citations
,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
Human hair color is determined by melanin types and genetic factors.
September 1973 in “Primates” 35 citations
,
January 1981
August 2024 in “Biophysics Reviews” Mammal hairs have different internal structures.
31 citations
,
September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
12 citations
,
March 2004 in “Journal of Investigative Dermatology”
January 2008 in “Annals of Nutrition and Metabolism” Parthenolide promotes hair growth in mice and may influence pathways related to male pattern baldness.
2 citations
,
August 2025 in “Reports — Medical Cases Images and Videos” A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
1 citations
,
August 1984 in “Therapeutische Umschau. Revue thérapeutique” Permanent hair removal with lasers is the most promising treatment for excessive hair growth.
65 citations
,
August 2007 in “Experimental Dermatology” Human hair follicles can make and process prostaglandins, which may affect hair growth.
19 citations
,
October 1996 in “International Journal of Dermatology” Pseudopelade is a rare inherited hair loss condition with a genetic cause.
30 citations
,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
1 citations
,
September 2017 in “Journal of Pathology of Nepal” Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
3 citations
,
December 2024 in “International Journal of Dermatology” Premature hair graying is caused by genetics, stress, and lifestyle, and affects mental health.
September 2024 in “The Journal of Dermatology” Nevus comedonicus can sometimes grow terminal hair, challenging previous beliefs.
November 2025 in “Journal of Investigative Dermatology” AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.
11 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
8 citations
,
March 2005 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Bimatoprost eye drops can cause temporary eyelid changes and may help with hair growth research.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
September 2024 in “Dermatology Reports” Sonidegib often causes hair loss, and LC-OCT helps identify early signs.
39 citations
,
August 2005 in “Dermatologic surgery” Micropigmentation is a widely accepted tattooing technique for hiding cosmetic issues and medical uses, with permanent results and few side effects, but risks infection if not done with sterile tools.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
20 citations
,
August 2015 in “International Journal of Molecular Medicine” Human placental extract may help hair growth by affecting certain cell signals and could be more effective with minoxidil.
1 citations
,
October 2023 in “PROTOPLASMA” 7 citations
,
March 2020 in “Journal of the American Academy of Dermatology” EGFR inhibitors often cause dry, brittle hair and eyebrow/eyelash changes.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
56 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.