6 citations
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April 2021 in “The Journal of Dermatology” Hair regrowth is possible in some cicatricial alopecia patients after treatment, but the reason is unclear.
60 citations
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December 2015 in “Lasers in Medical Science” Low-level laser therapy is safe and can increase hair growth for male and female pattern hair loss.
40 citations
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September 2019 in “World journal of clinical cases” An elderly man's hair grew back after a treatment that transferred healthy gut bacteria.
36 citations
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April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.
25 citations
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November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
22 citations
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September 2014 in “Veterinary Dermatology” Low-level laser therapy seems to help dogs with noninflammatory alopecia grow hair back.
20 citations
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February 1985 in “Archives of Dermatology” Minoxidil helps hair regrowth, especially with more indeterminate hairs.
7 citations
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April 2021 in “Cannabis” CBD-rich hemp oil can significantly increase hair regrowth in people with common hair loss, with no reported side effects.
4 citations
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May 2022 in “International journal of molecular sciences” Heat-killed Enterococcus faecalis EF-2001 may promote hair growth and transition hair follicles to the growth phase.
4 citations
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January 2017 in “International Journal of Dermatology” Scalp cooling can help reduce hair loss during chemotherapy.
3 citations
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November 2022 in “Molecules/Molecules online/Molecules annual” The substances improved hair regrowth and protected hair cells in humans and mice.
August 2023 in “Stem Cell Research & Therapy” Using adipose-derived stem cell media with minoxidil may help regrow hair in men with hair loss.
January 2023 in “International Journal of Trichology” The hemp extract significantly increased hair regrowth in both men and women without any side effects.
2 citations
,
November 1998 in “Journal of The European Academy of Dermatology and Venereology” A patient with a severe type of hair loss experienced partial hair regrowth after treatment with a specific light therapy and a medication called interferon α2a.
1 citations
,
April 2016 in “Journal of Investigative Dermatology” Zinc deficiency causes reversible hair loss by disrupting hair growth and stem cell function.
6 citations
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October 2000 in “International Journal of Dermatology” Preventing hair loss is more effective than regrowth; oral finasteride is a realistic option.
3 citations
,
April 2022 in “Clinical, Cosmetic and Investigational Dermatology” Different methods, including stress management, healthy diet, supplements, and treatments like minoxidil, can help hair grow back after COVID-19 related hair loss.
1 citations
,
July 2025 in “Clinical and Experimental Dermatology” Deucravacitinib led to full hair regrowth in a severe alopecia areata patient.
August 2025 in “Current Issues in Molecular Biology” Periplaneta americana extract helps hair regrowth in mice with alopecia.
June 2024 in “Frontiers in pharmacology” 2-deoxy-D-ribose gel may help regrow hair in cases of hair loss.
September 2023 in “International Journal of Trichology” A rare hair regrowth pattern can occur in some people with alopecia areata.
7 citations
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June 2019 in “Cureus” Fractional lasers and microneedling, combined with topical agents, could potentially treat Alopecia Areata effectively, but more research is needed due to limited data.
1 citations
,
August 2022 in “JAAD case reports” Pioglitazone use was linked to hair regrowth in a patient with permanent hair loss from cicatricial alopecia.
Microtrauma techniques like microneedling and PRP can help regrow hair in non-scarring alopecia.
May 2026 in “Dermatologic Surgery” GLP-1RAs may cause hair loss but could also help regrow hair in some cases.
October 2025 in “International Journal of Dermatology” GLP-1 receptor agonists may cause hair loss, but regrowth is rare.
27 citations
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May 2007 in “Archives of dermatological research” Diphencyprone treatment increases CD8 lymphocytes in the scalp, which is associated with hair regrowth in alopecia areata patients.
149 citations
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July 2014 in “Cold Spring Harbor Perspectives in Medicine” The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.
81 citations
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June 2010 in “Journal of Dermatological Treatment” The document concludes that minoxidil and finasteride are proven for hair growth, herbal remedies show promise, but more research is needed to confirm their effectiveness.
27 citations
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July 1990 in “International Journal of Dermatology” A pulsed electrical field safely and effectively increased hair growth.