January 2015 in “Hair therapy & transplantation” Some botanical products may help increase hair growth in people with alopecia, but more research is needed.
7 citations
,
March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
June 2021 in “Research Square (Research Square)” Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.
January 2024 in “İstanbul Kuzey Klinikleri” Low ferritin levels are linked to increased hair loss; no link found between vitamin B12, TSH levels, and hair loss.
3 citations
,
December 2018 in “International Journal of Biomedicine” Platelet rich plasma therapy significantly improves hair growth and increases the number of hair follicles in men with androgenetic alopecia.
July 2025 in “The Journal of Dermatology” 5% topical minoxidil may help reduce hair loss and increase hair growth in telogen effluvium.
81 citations
,
December 2009 in “Journal of Dermatological Science” Fat tissue stem cells may help increase hair growth.
11 citations
,
September 2012 in “Journal of Nanjing Medical University” Cyclosporine A was found to increase hair growth in mouse whisker follicles.
5 citations
,
February 2008 in “Experimental Dermatology” Cyclosporin A promotes hair growth in mice and increases a protein linked to hair growth, but it may not work the same way in humans.
2 citations
,
March 2021 in “Dermatologic Therapy” Low-level laser therapy helps increase hair growth in female pattern hair loss but not in telogen effluvium.
March 2014 in “Medicina cutánea ibero-latino-americana” Melatonin applied to the scalp helps increase hair density in people with early hair loss.
23 citations
,
April 2010 in “Clinical, cosmetic and investigational dermatology” Bimatoprost ophthalmic solution 0.03% safely and effectively increases eyelash growth when applied to the upper eyelid.
16 citations
,
May 2013 in “Australasian Journal of Dermatology” Hair loss in Cronkhite-Canada syndrome is reversible by treating the gut issues and doesn't need steroid treatment for the hair itself.
35 citations
,
March 2014 in “British Journal of Dermatology” Hair loss in male pattern baldness involves muscle degeneration and increased scalp fat.
31 citations
,
October 2002 in “Dermatologic Surgery” Minoxidil helps stabilize hair loss, increase density, and reduce shedding after hair transplant surgery.
August 2019 in “Journal of The American Academy of Dermatology” RV3466F lotion significantly reduces hair loss and improves acute telogen effluvium.
3 citations
,
August 2012 in “Annals of Diagnostic Pathology” AIDS may cause changes in the scalp that increase infection risk and hair loss.
81 citations
,
April 2009 in “Journal of Investigative Dermatology” Hair shedding is an active process that could be targeted to treat hair loss.
58 citations
,
November 2020 in “International Journal of Dermatology” COVID-19 may cause a temporary hair loss condition called telogen effluvium in some patients after recovery.
9 citations
,
July 2014 in “Experimental Dermatology” PTHRP agonists can stimulate hair growth, especially in damaged follicles, while antagonists may initially increase growth but ultimately inhibit it.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
January 2025 in “MEDS Public Health and Preventive Medicine” Spermidine supplements can help extend the hair growth phase and may be useful for treating hair loss.
December 2018 in “Esperienze dermatologiche” A lotion with Centella asiatica extract reduced hair loss by 41% and increased hair strength without side effects.
9 citations
,
September 2018 in “Clinical, Cosmetic and Investigational Dermatology” One supplement improved hair loss and quality faster and more effectively than the other in treating telogen effluvium.
9 citations
,
January 2015 in “Skin appendage disorders” The article suggests that the belief in common postpartum hair loss lacks sufficient evidence and may be overestimated.
136 citations
,
June 2006 in “Journal of Dermatological Science” PDGF isoforms can promote and sustain hair growth.
85 citations
,
April 2007 in “Dermatologic Clinics” Some drugs can cause hair loss, change hair color and shape, or increase hair growth, and treatment may involve stopping the drug or using specific hair growth treatments.
28 citations
,
October 2011 in “International Journal of Molecular Medicine” Adenosine helps hair grow longer and stronger by boosting certain growth factors and signaling pathways.
6 citations
,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.