6 citations
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October 2012 in “PubMed” The combined treatment of 3% minoxidil and 0.1% finasteride is more effective in improving hair loss than 3% minoxidil alone, with similar side effects.
17 citations
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October 2015 in “Medicine and Pharmacy Reports” Animal models are crucial for learning about hair loss and finding treatments.
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may help improve hair health.
January 2017 in “Scripta Scientifica Vox Studentium” Finasterid 1mg, used for male hair loss, can cause sexual problems in some men, which can last for several months even after stopping the medication.
A new peptide, murikal/SPR4, was found to significantly increase hair growth in mice, and its liposomal topical formulations enhanced hair growth more than commercial products. However, results on human scalp skin were unclear, needing more tests.
3 citations
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May 2020 in “Journal of The Korean Medical Association” Minoxidil and finasteride are effective for treating hair loss, with dutasteride showing potential but with side effects.
June 2015 in “Reactions weekly” December 2012 in “Reactions weekly” 
37 citations
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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.
Long bean leaf juice significantly promotes hair growth.