41 citations
,
October 2017 in “International Journal of Women's Dermatology” Most pregnant women experience skin darkening and hair changes, with these effects usually going away after giving birth.
1 citations
,
September 2017 in “BMJ” The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.
October 2022 in “Hair Transplantation” Temporary scalp trichopigmentation creates a shaved hair look on the scalp using pigments that fade over time.
7 citations
,
January 1971 in “Archives of Dermatological Research”
3 citations
,
March 2016 in “Journal of Cosmetic Dermatology” GPIGS peptide increases thick hair growth in balding Japanese men.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
5 citations
,
March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
2 citations
,
November 2024 in “JAAD reviews.” Certain drugs can change hair color, either lightening or darkening it.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
1 citations
,
January 2014 in “Indian journal of dermatology, venereology, and leprology” Papular mucinosis can cause eyebrow hair loss, but treatment can lead to regrowth.
June 2023 in “Pediatric investigation” A boy's scalp infection, usually found on the body, was effectively treated with antifungal cream.
May 2016 in “Hair transplant forum international”
4 citations
,
March 2013 in “The American Journal of Cosmetic Surgery” Melanin absorbing light is necessary but not enough for effective hair removal by light treatment.
28 citations
,
November 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” GMG-43AC may help reduce unwanted hair growth and treat certain hair loss conditions.
20 citations
,
October 2018 in “American Journal of Clinical Dermatology” Some drugs can cause skin and hair color changes, often reversible when the drug is stopped.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
16 citations
,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
Daily hair care may cause holes in hair fibers.
December 2025 in “JEADV Clinical Practice” A woman with hair loss condition experienced rare hair color return, suggesting it might help diagnose the condition.
March 2021 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Fat tissue around hair follicles releases a growth factor that helps hair grow and develop color.
101 citations
,
June 2005 in “Journal of The American Academy of Dermatology” Very few people experience increased hair growth after laser hair removal, especially those with darker skin and black hair.
5 citations
,
April 2014 in “International Journal of Pediatric Endocrinology” Prepubertal girls with hypertrichosis have more sensitive androgen receptors, leading to increased body hair growth.
January 2024 in “Dermatology practical & conceptual” The Peripilar sign does not indicate perifollicular infiltrate in hair loss from Androgenetic Alopecia.
2 citations
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
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.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
3 citations
,
January 2019 in “Advances in stem cells and their niches” Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.
5 citations
,
January 2022 in “Molecular Medicine Reports” Pine bark extract helps mice grow hair by reducing inflammation and boosting growth factors.
4 citations
,
April 2001 in “Experimental Dermatology” Using single dermal papillae is unreliable for analyzing androgen metabolism in hair follicles.
25 citations
,
December 2008 in “Journal of Dermatological Case Reports” Skin color may change how alopecia areata looks under a dermoscope.