5 citations
,
March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
6 citations
,
January 2020 in “Postepy Dermatologii I Alergologii” Trichoscopy is useful for diagnosing hair-pulling disorder.
17 citations
,
October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
January 1994 in “Journal of the society of cosmetic chemists”
January 2012 in “Methods in pharmacology and toxicology” TRPV3 could be a target for treating pain, skin disorders, and hair problems, but more research is needed to create effective drugs.
Frizzy hair is fragile and can lead to hair loss and damage if not properly cared for.
1 citations
,
July 2025 in “Frontiers in Genetics” FilaggrinHigh melanomas have active FGFR signaling and weak GNA14 and Th1 signatures.
June 2026 in “JAAD Case Reports” The patient's scalp plaques were caused by impetigo and successfully treated with antibiotics.
3 citations
,
March 2019 in “Contact Dermatitis” Using Indian marking nut sap for hair loss caused a skin rash on a woman's face.
5 citations
,
September 1989 in “Journal of The American Academy of Dermatology” Talc in street cocaine can cause immune-reactive skin nodules where injected.
December 2025 in “Molecular Pain” Targeting the MC-5-HT-HTR2A axis may help treat chronic itching.
20 citations
,
January 2015 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Lysophosphatidic acid affects sensory neurons and may cause neuropathic pain and itch.
May 2024 in “Indian Dermatology Online Journal” A rare bacterial infection of pubic hair can cause strong genital odor, but trimming hair and using clindamycin can quickly fix it.
April 2023 in “Journal of Investigative Dermatology” PRP can improve hair growth in people with hair loss, but more research is needed.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
Keratin gel may help repair damaged nerves.
16 citations
,
April 2000 in “Contact dermatitis” A man developed severe skin reactions after using a treatment for hair loss.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Topical gabapentin was safe and effective for treating scalp symptoms and promoting hair regrowth in cicatricial alopecias.
May 2026 in “The Journal of Headache and Pain” Inhibiting certain brain neurons may reduce pain and anxiety in trigeminal neuralgia.
February 2023 in “Biophysical Journal” Light can be used to stimulate ear hair cells, improving speed and consistency over previous methods.
4 citations
,
June 2020 in “British Journal of Pharmacology” Activating TRPV4 in skin cells helps regrow hair in mice, possibly offering a treatment for hair loss.
5 citations
,
February 2008 in “Histopathology”
September 2025 in “Cureus” Plica neuropathica can occur with diffuse alopecia and should be considered in diagnosis.
2 citations
,
March 2024 in “Pharmaceutics” The placebo microneedle stamp didn't penetrate skin and caused less pain, but blinding was only effective for those with low skin sensitivity.
August 2018 in “Journal of The American Academy of Dermatology” People with telogen effluvium and scalp discomfort might have low vitamin B12 and could benefit from B12 supplements.
Certain drugs, especially those for eyes, bacterial infections, imaging tests, and skin conditions, are more likely to cause itching, with differences seen across gender, age, and weight.
15 citations
,
July 1997 in “Clinics in Dermatology” Traditional Chinese medications can cause skin reactions, and better testing and reporting are needed to identify allergens.
18 citations
,
January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” RPGRIP1L helps skin cells stick together by blocking PKCβII, which can prevent skin blistering like in pemphigus.
6 citations
,
December 2011 in “Clinical and Experimental Dermatology” A woman developed rare, unexplained curly hair on her scalp and eyelashes.