21 citations
,
June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
19 citations
,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
17 citations
,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
16 citations
,
June 2019 in “International Journal of Women's Dermatology” Type 2 diabetes may increase the risk of severe hair loss in African American women.
11 citations
,
November 2015 in “Skin Research and Technology” Women's hair grows faster and thicker than men's, but hair growth slows for both genders with pattern hair loss.
11 citations
,
June 1979 in “British Journal of Dermatology” The enzyme system in hair follicles is similar to the liver's and is affected by certain inhibitors.
7 citations
,
April 2022 in “Journal of pharmaceutical and biomedical analysis” The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
6 citations
,
June 2019 in “Skin Research and Technology” Finasteride works for hair loss by maintaining existing hair follicles, not reversing miniaturization.
6 citations
,
January 2015 in “Indian Dermatology Online Journal” Too much levothyroxine can cause hair loss in infants.
6 citations
,
August 1991 in “Pediatric Clinics of North America” The document concludes that various hair and scalp disorders in children have specific treatments and proper diagnosis is essential.
4 citations
,
August 1971 in “Pediatric clinics of North America/The Pediatric clinics of North America” Childhood hair and scalp disorders can be managed with treatments like cortisone and corticosteroids.
3 citations
,
April 2025 in “International Journal of Cosmetic Science” Healthier hair and scalp improve mental wellbeing.
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
,
July 2018 in “Elsevier eBooks” Trichoscopy is a useful tool for diagnosing and managing hair and scalp conditions, often better than traditional methods.
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.
1 citations
,
January 2000
December 2025 in “International Journal For Multidisciplinary Research” Microscopic hair analysis is important in forensics but has limitations; new technologies are improving its accuracy.
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.
July 2024 in “Journal of Investigative Dermatology” Taxane chemotherapy can cause permanent hair loss by damaging hair follicles and altering their DNA.
June 2024 in “Archives of dermatological research” Both treatments work, but Minoxidil 0.5% MMP® is better for certain scalp areas and less advanced hair loss.
November 2023 in “Journal of Basic Microbiology” Green-synthesized zinc oxide nanoparticles effectively inhibit common fungi found on human scalp hair.
April 2023 in “Journal of Investigative Dermatology” ALRN-6924 can protect hair follicles from chemotherapy damage by temporarily stopping cell division.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
January 2017 in “Indian Dermatology Online Journal” Levothyroxine overdose can cause hair loss, and zinc deficiency might worsen it.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.