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.
21 citations,
March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
15 citations,
May 2017 in “Lasers in Medical Science” Low-level laser treatment helps mice grow hair by increasing certain protein levels linked to hair growth.
127 citations,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
7 citations,
January 2020 in “Frontiers in Pharmacology” Jagged1 and Epidermal Growth Factor together significantly increased hair growth in mice with androgen-suppressed hair.
27 citations,
May 2017 in “Marine Drugs” Undariopsis peterseniana extract helps hair grow by activating certain cell growth pathways and could be a new treatment for hair loss.
30 citations,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
2 citations,
April 2022 in “Genes” The study found that the hair loss condition in Cesky Fousek dogs is influenced by multiple genes affecting skin and muscle structure, fat metabolism, and immunity.
18 citations,
November 2020 in “Frontiers in Cell and Developmental Biology” Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.
January 2017 in “Journal of Dermatology and Venereology” Naringenin and Hesperetin may help hair grow and protect hair cells from damage.
8 citations,
September 2003 in “Journal of dermatological science” Substance P helps hair grow longer and faster.
5 citations,
April 2019 in “Plastic and reconstructive surgery. Global open” Fractional lasers could help hair regrowth in androgenic alopecia, but more research is needed to confirm their effectiveness and safety.
18 citations,
October 2014 in “Experimental Biology and Medicine” Eating vitamin A affects hair growth and health by changing cell signals in mice.
Thyroid problems can cause hair loss and change hair texture.
2 citations,
August 2023 in “Autophagy” Autophagy helps control skin inflammation and cancer responses and regulates hair growth by affecting stem cell activity.
January 2016 in “Global dermatology” A treatment called Cellcurin, combined with microneedling, significantly increased hair density and diameter in patients with hair loss.
321 citations,
January 2012 in “Cell stem cell” TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.
76 citations,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
40 citations,
April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
39 citations,
September 2013 in “Journal of Cosmetic Dermatology” Herbs can potentially treat hair loss by inhibiting a key enzyme and promoting hair growth, and deficiencies in zinc, biotin, and iron are linked to hair loss.
2 citations,
September 2022 in “Frontiers in Immunology” T-regulatory cells are important for skin health and can affect hair growth and reduce skin inflammation.
43 citations,
December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
7 citations,
October 2000 in “Allergo Journal” Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.
2 citations,
October 2010 in “Journal of dermatological treatment” External treatments can change hair growth patterns in nude mice.
January 2025 in “Yonsei Medical Journal” Mastic gum and peppermint extracts may promote hair growth and health.
4 citations,
June 2016 in “Journal of Pharmacopuncture” Cornu cervi pantotrichum pharmacopuncture solution helps mice grow hair by increasing hair follicle cell growth and a growth factor important for hair development.
September 2022 in “Journal of Case Reports and Medical History” Many new moms lose hair after childbirth due to hormonal changes, but it usually grows back within a year.
51 citations,
April 2020 in “Cells” Special cell particles from macrophages can help hair grow.
37 citations,
June 2017 in “Journal of Investigative Dermatology” Blocking a protein called CXXC5 with a specific peptide can stimulate hair regrowth and new hair growth in wounds.
38 citations,
June 2017 in “The Journal of Dermatology” Aging in hair follicle stem cells leads to hair graying, thinning, and loss.