November 2025 in “Journal of Clinical Medicine” The drinkable supplement reduced hair shedding and increased hair growth in women.
January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
October 2024 in “Experimental Dermatology” The belief about hair shedding phases is likely incorrect and needs reevaluation.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
February 2024 in “Cosmetics” The correction fixes an image mistake in the original publication, but the findings on the hair treatment's effectiveness are unchanged.
January 2024 in “Cosmetics” HAIR & SCALP COMPLEX may help treat hair loss by stimulating hair growth and restarting the hair cycle.
A hair transplant using hair from the back of the head and pubic area was successful in creating a feminine hairline for a male-to-female transgender person.
November 2018 in “Annals of oncology” A scalp-cooling system effectively prevents hair loss in breast cancer patients treated with eribulin.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
June 2021 in “Journal of The American Academy of Dermatology” New scale reliably assesses male hair loss with female pattern.
The modified Sinclair scale effectively measures hair loss severity in men.
7 citations
,
September 2020 in “Bioscience Biotechnology and Biochemistry” The scalp has more diverse bacteria, while hair has more bacteria and unique types.
1 citations
,
January 2000
November 2023 in “Journal of Basic Microbiology” Green-synthesized zinc oxide nanoparticles effectively inhibit common fungi found on human scalp hair.
128 citations
,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
73 citations
,
April 2019 in “Experimental Dermatology” The scalp's microorganisms significantly affect hair health and disease.
50 citations
,
July 1980 in “Archives of Dermatology” Hidden sweat gland tumors might cause hair loss.
40 citations
,
January 2018 in “International journal of trichology” Healthy scalp reduces hair loss by managing oxidative stress.
33 citations
,
November 2007 in “JAT. Journal of applied toxicology/Journal of applied toxicology” Human scalp hair on mice can effectively monitor mercury exposure.
30 citations
,
December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
23 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
6 citations
,
January 2015 in “Indian Dermatology Online Journal” Too much levothyroxine can cause hair loss in infants.
3 citations
,
August 2020 in “Journal of cosmetic dermatology” The scalp care solution with Timosaponin B-II improved scalp hydration, reduced dandruff, and helped prevent hair loss.
3 citations
,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
3 citations
,
January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
2 citations
,
June 2024 in “Journal of the Korean Society of Cosmetology” Aroma scalp massage improved scalp condition and satisfaction but not hair thickness or density.
2 citations
,
March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.
1 citations
,
August 2021 in “Journal of The American Academy of Dermatology” Baricitinib helped improve hair, eyebrow, and eyelash growth in alopecia areata patients.
1 citations
,
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.