138 citations
,
June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
1 citations
,
January 1985 in “Protides of the biological fluids” Injecting monocyto-angiotropin into hare skin increases hair growth by forming new blood vessels.
1 citations
,
November 2022 in “Experimental cell research” Prostaglandin E2 collagen matrix may help stimulate hair growth.
5 citations
,
August 2011 in “Journal of Dermatological Science” Dentin sialoprotein and phosphophoryn are present in rodent hair follicles and may help hair growth and development.
7 citations
,
January 1990
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
7 citations
,
March 2021 in “Molecular Medicine Reports” A mix of specific inhibitors and a growth factor helps keep hair growth cells from losing their properties in the lab.
103 citations
,
April 2005 in “Experimental dermatology” Prostaglandin F2alpha and related compounds can increase hair growth and darken hair in mice.
2 citations
,
January 2020 in “BioMed Research International” Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
18 citations
,
October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
223 citations
,
January 2000 in “BioFactors” Food-derived peptides may help prevent diseases like high blood pressure and high cholesterol, and can support the immune system.
194 citations
,
November 2006 in “Science” A genetic mutation in the LIPH gene causes hair loss and growth defects.
October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
12 citations
,
December 2011 24 citations
,
April 2016 in “Experimental Dermatology” Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.
8 citations
,
January 2001 in “Methods in enzymology on CD-ROM/Methods in enzymology” Oligomeric procyanidins may help hair grow by affecting cell growth and the hair growth cycle.
7 citations
,
October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
April 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Hyaluronic acid microneedles with herbal extracts may effectively promote hair growth for treating hair loss.
11 citations
,
June 2019 in “Tissue & Cell” Hair stem cells produce a protein called COL17A1 that plays a key role in their development and is linked to hair thinning and baldness.
57 citations
,
January 2020 in “International Journal of Molecular Sciences” PADs are crucial for healthy skin and hair, and their imbalance can cause skin and hair disorders.
August 2021 in “Journal of the American Academy of Dermatology” The shampoo's ingredients' effect on a hair growth pathway in cells was tested, but the results are not given.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
67 citations
,
February 1994 in “Developmental dynamics” Specific proteins and molecules play key roles in the development of human hair follicles.
September 2017 in “Journal of Investigative Dermatology” Certain products and treatments can improve hair health and growth.
3 citations
,
July 2019 in “Journal of Cosmetic Dermatology” New shampoo with tyramine hydrochloride reduces hair loss by making a small muscle in the hair follicle contract.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
5 citations
,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
17 citations
,
April 2016 in “Journal of Investigative Dermatology” KB2115 (eprotirome) can safely extend the hair growth phase without damaging cells or changing hair color.