44 citations
,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
28 citations
,
March 1973 in “The Journal of Clinical Endocrinology & Metabolism” Altered DHEA metabolism in hair follicles may be linked to hair loss in balding men.
7 citations
,
March 2023 in “Journal of Investigative Dermatology” Low-intensity ultrasound may help protect hair follicles from chemotherapy-induced hair loss.
5 citations
,
July 2010 in “Journal of life sciences” Gray hair has more continuous medullation and a higher medullary diameter than black hair.
June 2023 in “Hanguk ingeurie hakoeji” Eating fermented protein made from black bean powder twice a day for 60 days improved hair density but not scalp condition or hair thickness.
April 2023 in “Journal of Investigative Dermatology” ALRN-6924 can protect hair follicles from chemotherapy damage by temporarily stopping cell division.
April 2023 in “Cancer Research” Plucked hair can effectively monitor drug effects in cancer treatment.
16 citations
,
November 2005 in “Journal of Clinical Pathology” CD1d expression in scalp skin and hair follicles changes with the hair cycle and may help protect against microbes.
2 citations
,
February 2024 in “STAR Protocols” The document provides a method to prepare human scalp tissue for studying hair follicles at the single-cell level.
2 citations
,
December 2021 in “Scientific reports” Scalp hair sweating is a significant predictor of hair cortisol levels.
24 citations
,
April 2006 in “Journal of the American Academy of Dermatology” Heat shock protein 27 is more present in the active growth phase of human scalp hair follicles.
8 citations
,
January 2020 in “International Journal of Trichology” Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.
4 citations
,
August 2023 in “Journal of Investigative Dermatology” Certain genes influence the direction of hair whorls on the scalp.
4 citations
,
November 1970 in “PubMed” Mustard oil and unsaturated fatty acids can stop the growth of scalp fungus and prevent it from infecting hair.
3 citations
,
December 2019 in “Biomaterials Research/Biomaterials research” Calcium and magnesium in hair increase with age and are higher in adult women.
November 2022 in “Journal of Investigative Dermatology” Butyrate helps hair grow longer, improves hair cell health, increases pigment production, and boosts hair's natural defenses.
April 2019 in “Journal of Investigative Dermatology” Caffeine can protect scalp hair follicles from damage caused by UV radiation.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
1 citations
,
April 2023 in “Biomolecules” Fermented papaya and mangosteen in hair care products helped prevent hair loss and improve hair thickness.
19 citations
,
August 1993 in “Journal of Cutaneous Pathology” Alopecia causes smaller hair follicles and affects growth-related structures.
2 citations
,
February 2023 in “International Journal of Cosmetic Science” Hair loss is more common in areas with multiple hair strands, especially in men.
November 2024 in “Journal of Investigative Dermatology” Stimulating OR10J1 can promote hair growth and may help treat hair loss.
May 2024 in “Archives of dermatological research” LGFs slightly improve hair transplant results more than PRP.
78 citations
,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
63 citations
,
September 2009 in “Regenerative Medicine” Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.
42 citations
,
March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.
19 citations
,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
7 citations
,
December 2021 in “Archives of Dermatological Research” Adiponectin reduces hair pigmentation and affects hair growth signals.
4 citations
,
November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
1 citations
,
November 2022 in “Journal of Investigative Dermatology” ALRN-6924 may prevent hair loss caused by chemotherapy.