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.
48 citations
,
June 2013 in “Journal of Dermatological Science” Valproic acid may help hair grow and could be a safe treatment for hair loss.
45 citations
,
September 2001 in “Journal of Investigative Dermatology” Cyclosporin A promotes hair cell growth and affects protein kinase C levels.
37 citations
,
August 2014 in “Journal of experimental botany” A gene in Arabidopsis thaliana, AtPRPL1, affects root hair length but not cell wall composition.
37 citations
,
January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
36 citations
,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
35 citations
,
May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
28 citations
,
May 2020 in “BMC plant biology” The study concluded that three enzymes are important for plant development by affecting sugar composition and calcium binding in plants.
24 citations
,
July 1987 in “Dermatologic Clinics” Systemic diseases can cause hair loss, which is often reversible with treatment.
21 citations
,
September 2021 in “New Phytologist” HB24 helps convert IBA to IAA, promoting root hair growth.
20 citations
,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
19 citations
,
August 2019 in “Expert Opinion on Therapeutic Targets” New treatments for hair loss may target specific pathways and generate new hair follicles.
18 citations
,
December 2009 in “Canadian Journal of Animal Science” The BMP2 gene is more active in the early growth phase of Cashmere goat hair and may affect hair regeneration and textile production.
17 citations
,
December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
16 citations
,
September 2018 in “Scientific reports” Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.
15 citations
,
January 2015 in “Skin Pharmacology and Physiology” Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.
13 citations
,
May 2021 in “Plants” The leaf extract of Leea indica may reduce inflammation, dissolve blood clots, and promote hair growth.
13 citations
,
March 2020 in “Genes” Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.
13 citations
,
October 2017 in “Bioscience, Biotechnology, and Biochemistry” Centella asiatica extract may help promote hair growth by blocking a specific cell signaling pathway.
13 citations
,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
11 citations
,
January 2015 in “Skin pharmacology and physiology” Eating collagen peptides may help with skin and hair growth.
7 citations
,
March 2018 in “Asian-Australasian journal of animal sciences” OCIAD2 and DCN genes affect hair growth in goats by having opposite effects on a growth signaling pathway and inhibiting each other.
7 citations
,
January 2015 in “Genetics and molecular research” The RORα gene is active in different parts of cashmere goat hair follicles and may be influenced by melatonin, especially in December when hair growth changes.
6 citations
,
December 2021 in “Scientific Reports” Inhibiting class I HDACs helps maintain hair growth ability in skin cells.
6 citations
,
November 2020 in “Molecular and Cellular Endocrinology” Androgens reduce BMP2, which weakens the ability of certain cells to help hair stem cells become different types of cells.
4 citations
,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
Ocu-miR-205 affects hair density in Rex rabbits by promoting cell changes and influencing hair follicle phases.
3 citations
,
April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.