1057 citations,
November 2011 in “Annals of Biomedical Engineering” Low-level Laser Therapy may help reduce inflammation, pain, and aid healing, but more research is needed to confirm its effectiveness and establish standard treatment guidelines.
416 citations,
September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
211 citations,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
190 citations,
October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
174 citations,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
113 citations,
June 2015 in “Stem Cell Research & Therapy” Wnt and Notch signaling help wound healing by promoting cell growth and regulating cell differentiation.
98 citations,
May 2008 in “Archives of Dermatological Research” Eclipta alba extract helps hair grow faster and more effectively than minoxidil in rats.
96 citations,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
81 citations,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
75 citations,
November 2016 in “Medicines” Beta-sitosterol has potential health benefits but needs more research to fully understand its effects and improve its use in treatments.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
64 citations,
January 2010 in “The FASEB Journal” Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.
63 citations,
November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
53 citations,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
46 citations,
January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
46 citations,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.
45 citations,
April 2013 in “Cell Transplantation” Activin B improves wound healing and hair growth by helping stem cells move using certain cell signals.
44 citations,
June 2006 in “Biological & Pharmaceutical Bulletin” Androgen hormones cause hair follicle scarring in hair loss, and finasteride helps reduce it.
37 citations,
March 2006 in “Regulatory Peptides” Mice skin has components that could help with hair growth and might be used for diabetes treatment.
37 citations,
November 1995 in “Journal of Investigative Dermatology” Topical finasteride and flutamide reduce gland size and enzyme activity, with flutamide being more potent, potentially treating acne, seborrhea, hirsutism, and androgenic alopecia.
33 citations,
September 2017 in “Molecules” Red ginseng oil and its components help promote hair regrowth and could treat hair loss.
32 citations,
June 2015 in “PLOS ONE” Olive leaf compound oleuropein helps grow hair in mice.
32 citations,
May 2015 in “Journal of Investigative Dermatology” Mice without collagen VI have slower hair growth normally but faster regrowth after injury.
30 citations,
December 2014 in “Toxicological Research” Peppermint oil can effectively promote hair growth without being toxic.
28 citations,
August 2003 in “Steroids” Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
27 citations,
July 2012 in “Dermatologic Surgery” Higher caspase-1 levels found in balding scalps; reducing it may help treat hair loss.
26 citations,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.