102 citations
,
August 2008 in “Genes & Development” Laminin-511 is crucial for early hair growth and maintaining important hair development signals.
68 citations
,
January 2007 in “Journal of Cosmetic and Laser Therapy” Laser/light treatments for hair loss are popular but lack scientific data proving effectiveness.
52 citations
,
June 1998 in “British journal of dermatology/British journal of dermatology, Supplement” Ruby laser treatment is effective and well-tolerated for reducing hair growth.
44 citations
,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
39 citations
,
August 2018 in “Scientific reports” Claudin-1 is important for the barrier function and growth of hair.
37 citations
,
June 2019 in “Stem cells” Special particles from skin cells can promote hair growth by activating a specific growth signal.
30 citations
,
February 2017 in “Histochemistry and Cell Biology” TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.
27 citations
,
June 2013 in “Genes & development” Cav1.2 affects hair growth and could be a target for hair loss treatments.
25 citations
,
August 2010 in “Journal of Biological Chemistry” Nuclear Factor I-C is important for controlling hair growth by affecting the TGF-β1 pathway.
22 citations
,
April 2006 in “Journal of The American Academy of Dermatology” More research is needed to determine if iron deficiency causes hair loss.
21 citations
,
October 2008 in “Indian Journal of Plastic Surgery” Hair transplantation surgery has improved, giving more natural results, and success depends on a skilled team and proper technique.
19 citations
,
December 2015 in “Journal of Materials Chemistry B” Scientists have created a method to deliver specific cells that can regenerate hair follicles, potentially offering a new treatment for hair loss.
12 citations
,
August 2018 in “BMC Biotechnology” A protein found in safflower seeds can stimulate hair growth and speed up wound healing in mice.
9 citations
,
January 2005 in “Experimental dermatology” Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.
8 citations
,
March 2022 in “Journal of The Taiwan Institute of Chemical Engineers” Extracts from a type of brown seaweed can help promote hair growth.
8 citations
,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
8 citations
,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
5 citations
,
January 2022 in “Molecular Medicine Reports” Pine bark extract helps mice grow hair by reducing inflammation and boosting growth factors.
5 citations
,
April 2018 in “Journal of Dermatological Science” Adjusting estradiol-ANGPT2 levels can promote hair growth in female pattern hair loss.
3 citations
,
March 2023 in “Scientific Reports” Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.
3 citations
,
January 2016 in “Journal of cosmetology & trichology” Taking vitamins, minerals, and amino acids can improve hair strength and quality in people with Monilethrix.
1 citations
,
August 2017 in “Journal of food and nutrition research” The herbal supplement increased hair thickness and reduced scalp oiliness in women.
1 citations
,
May 2017 in “Asian journal of medical sciences” The dietary supplement significantly improved skin, nails, and hair in older adults.
1 citations
,
January 2004 in “Linchuang pifuke zazhi” Substance P helps hair growth by extending the growth phase and affecting certain growth factors.
August 2025 in “Nutrients” Ageratum conyzoides extract promotes hair growth and regrowth.
January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
November 2023 in “Clinical, Cosmetic and Investigational Dermatology” Saw palmetto extract reduced hair loss and improved hair growth in people with hair thinning.
November 2025 in “Pharmacological Research - Natural Products” Kesh Kanti Expert Oil promotes hair growth and protects hair health.
July 2025 in “Scientific Reports” Serotonin helps hair grow by activating certain cells.
May 2025 in “International Journal for Research in Applied Science and Engineering Technology” The herbal hair oil promotes hair growth, provides nutrients, and prevents dandruff and split ends.