June 2025 in “Journal of Cosmetic Dermatology” Botanical extract shampoo and tonic improved hair loss in most participants.
July 2025 in “InnovAiT Education and inspiration for general practice” January 2023 in “International Journal of Trichology” The hemp extract significantly increased hair regrowth in both men and women without any side effects.
January 2021 in “Journal of The European Academy of Dermatology and Venereology” Men with hair loss who take a certain type of medication may experience fewer COVID-19 symptoms.
121 citations
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March 1989 in “Journal of Investigative Dermatology” Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.
September 2024 in “Journal of the American Academy of Dermatology” The supplements improved hair density and reduced hair loss.
12 citations
,
October 1999 in “Journal of The American Academy of Dermatology” 
April 2017 in “Reactions Weekly” Man experienced sexual dysfunction, depression, breast growth, and skin discoloration after taking finasteride for hair loss.
Avicennia marina extract can significantly promote hair growth in androgenic alopecia patients.
3 citations
,
March 2022 in “International Journal of Trichology” Special supplements with collagen, vitamins, and minerals can help treat hair loss.
November 2010 in “Cochrane Database of Systematic Reviews” October 2021 in “QJM: An International Journal of Medicine” N-acetyl-cysteine improves hair growth and is safe for treating early male hair loss.
2 citations
,
June 2022 in “Phytomedicine” Shi-Bi-Man helps hair regrowth by activating the FGF pathway in cells.
25 citations
,
May 1986 in “The American Journal of the Medical Sciences” Minoxidil helps hair growth and boosts self-esteem in balding men.
September 2020 in “Georg Thieme Verlag eBooks” The chapter discusses methods to improve hair growth in men.
Trichoriboside treatment helps maintain scalp hair by increasing cAMP levels in hair follicles of men with hair loss.
November 2023 in “Journal of Cosmetic Dermatology” The topical treatment with caffeine and Procapil 3% improved male pattern hair loss and was well tolerated after 12 weeks.
88 citations
,
May 2005 in “Journal of Dermatological Science” Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.
4 citations
,
March 1988 in “PubMed” June 2022 in “Zenodo (CERN European Organization for Nuclear Research)” January 2011 in “Bloomsbury Academic eBooks” 
51 citations
,
March 1987 in “Journal of The American Academy of Dermatology” Minoxidil keeps most hair growth from first year and twice-daily use is better with few side effects.
A diet of collagen and vinegar improved hair growth and scalp health in women aged 40-60 more effectively than collagen alone.
23 citations
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February 2019 in “International Journal of Molecular Sciences” Activin B can boost hair growth by promoting cell proliferation and cell cycle progression.
September 2000 in “PubMed” May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
February 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Deucravacitinib helped a man regrow hair and improve psoriasis.
November 2025 in “Australian Journal of General Practice” Oral finasteride and topical minoxidil can regrow hair, but finasteride may affect fertility.