November 2024 in “Research Square (Research Square)” Moracin M boosts hair growth by activating key pathways and promoting cell growth.
62 citations
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June 1993 in “Archives of Dermatological Research” 
March 2024 in “Residência Pediátrica” An infant developed excessive hair growth after a bone marrow transplant and cyclosporine treatment.
28 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” 
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
November 2025 in “Contribuciones a las Ciencias Sociales” Non-drug treatments improved hair growth and reduced hair loss in androgenetic alopecia.
November 2022 in “Bioengineering” The method can test hair growth products using a lab-made hair-like structure that responds to known treatments.
158 citations
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May 2003 in “Journal of Investigative Dermatology” Hair growth is influenced by dynamic changes in hair follicle cells, which could help treat hair loss.
April 2017 in “Journal of Investigative Dermatology” Dermal lymphatic vessels help hair growth by affecting hair cycle phases.
January 2000 in “Acta Academiae Medicine Militaris Tertiae” Epidermal growth factor boosts growth of hair follicle cells.
September 1990 in “Journal of Dermatological Science” 
17 citations
,
February 2015 in “International Journal of Molecular Sciences” A special mix from certain skin cells can help hair grow by making hair root cells grow faster and activating growth signals.
July 2024 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” PRP shows promise in improving skin health and rejuvenation, but more research is needed.
47 citations
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May 1995 in “Journal of Investigative Dermatology” Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.
12 citations
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February 1999 in “British Journal of Dermatology” Minoxidil increased small openings in blood vessel walls near growing hair in rats.
57 citations
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November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
Some factors can either promote or inhibit hair growth.
105 citations
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December 1998 in “Archives of Dermatological Research” Dermal papilla cells mainly drive blood vessel growth in hair follicles.
1 citations
,
January 2000 
July 2025 in “ACS Pharmacology & Translational Science” Maslinic acid from olive extracts promotes hair growth like minoxidil.
November 2021 in “Revista Ibero-Americana de Humanidades, Ciências e Educação” The document does not give specific results for hair loss treatment effectiveness.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
30 citations
,
March 1996 in “British Journal of Dermatology” February 2010 in “Journal of the American Academy of Dermatology” Activating cAMP and ATP improves hair growth and strength.
6 citations
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January 1996 in “Journal of Investigative Dermatology” Dermal papilla cells help hair growth by releasing growth-promoting factors.
January 2014 in “Journal of Investigative Dermatology” Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.
1 citations
,
April 2007 in “PubMed” Tacrolimus helps mice grow hair by activating hair follicles.
21 citations
,
January 2018 in “The Korean Journal of Physiology and Pharmacology” Modified stem cells from umbilical cord blood can make hair grow faster.
14 citations
,
October 2017 in “European Journal of Medical Research” Platelet-rich plasma can help grow more and longer hair by creating new blood vessels.