April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Low-intensity ultrasound may protect hair follicles from damage caused by a common chemotherapy drug.
April 2021 in “Journal of Investigative Dermatology” Leontopodium alpinum extract may help reduce hair shedding by keeping hair in the growth phase longer.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
26 citations,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
October 2021 in “Journal of Investigative Dermatology” Edelweiss extract may help prevent hair loss and increase hair density.
18 citations,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
82 citations,
September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
4 citations,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
64 citations,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
165 citations,
June 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
30 citations,
September 2004 in “Experimental Dermatology” Scalp hair follicle culture has limits for testing minoxidil's hair growth effects.
Blocking the Mitochondrial Pyruvate Carrier causes stress in hair follicles, which can be reduced by an ISR inhibitor.
36 citations,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
174 citations,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
38 citations,
April 2016 in “Experimental Dermatology” The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.
105 citations,
May 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Activating TRPV3 stops human hair growth.
56 citations,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
August 2022 in “Nutrients” Nutritional supplements may help improve hair growth in female pattern hair loss.
12 citations,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
30 citations,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
5 citations,
February 2011 in “Expert Opinion on Drug Discovery” We need better treatments for hair loss, and while test-tube methods are helpful, they can't fully replace animal tests for evaluating new hair growth treatments.
68 citations,
May 2018 in “PLOS Biology” Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
21 citations,
November 2017 in “Scientific Reports” Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.
14 citations,
February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
6 citations,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.