Both treatments improve hair growth, but minoxidil is cheaper.
Botulinum toxin-A injections in the scalp can reduce hair loss and promote new hair growth in men with certain types of baldness.
22 citations
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June 2002 in “Journal of Medicinal Chemistry” Compounds 15, 20, and 25 are strong inhibitors of human steroid 5α-reductase type 2.
4 citations
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January 2022 in “Yonsei Medical Journal” Microneedles are a promising method for drug delivery, offering efficient and convenient alternatives with fewer side effects.
1 citations
,
June 2008 in “The Journal of Urology” Dihydrotestosterone gel before hypospadias surgery led to less scarring but raised concerns about potential psychological effects and skin changes.
January 2019 in “11th World congress for hair research”
May 2021 in “Journal of the Endocrine Society” Transgender females can reach their target estrogen levels using estradiol patches, especially if oral treatments fail or if they're at risk for blood clots. Often, the highest dose patch is needed.
January 2005 in “Fuzhou daxue xuebao. Ziran kexue ban” The method is quick and effective for testing steroid 5 alpha-reductase inhibitors.
September 2025 in “Chinese Journal of Plastic and Reconstructive Surgery” Botulinum toxin may help treat hair loss but needs more research for effectiveness and cost concerns.
49 citations
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May 2020 in “The Scientific World JOURNAL” Mesotherapy is a skin injection therapy used for pain and local conditions, with scientific support but needing more clinical trials.
3 citations
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January 2019 in “Česká a slovenská farmacie” Microneedles could make it easier and less painful to deliver more types of drugs through the skin.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Intralesional injections work better than topical treatments for hair regrowth in alopecia areata.
16 citations
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June 2022 in “Transgender Health” Oocyte retrieval is possible for transgender men on testosterone therapy without affecting fertility outcomes.
24 citations
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February 2007 in “Hormone and metabolic research” The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
Intradermotherapy is a safe and effective short-term treatment for hair loss.
December 2025 in “Current Issues in Molecular Biology” New steroid compounds may help with hormonal therapy and have potential benefits for glucose disorders, but more research is needed.
August 2003 in “Oncology Times” The trial on testosterone replacement therapy in older men faced concerns due to prostate cancer risk.
19 citations
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July 2005 in “Steroids” Testosterone increases 3α-androstanediol levels, which can be blocked by finasteride.
June 2023 in “QJM: An International Journal of Medicine” Nanofat injections can effectively treat hair loss caused by hormones.
September 2015 in “Journal watch” Triamcinolone acetonide injections help regrow hair in alopecia areata patients.
June 2025 in “JCEM Case Reports” False high testosterone levels were corrected using a more accurate test.
January 2018 in “Journal of Visualized Experiments” PRP injections significantly increased hair count and density with less pain.
October 2023 in “Benha Journal of Applied Sciences” Methotrexate and vitamin D3 are potentially more effective and safer than triamcinolone for treating localized alopecia areata.
1 citations
,
November 2023 in “American journal of clinical pathology” Transgender men on testosterone therapy need ongoing gynecologic care due to potential cancer risks.
19 citations
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March 2019 in “International Journal of Dermatology” The tattoo machine method safely delivers an average of 1,175 µg/cm² of medication into the skin.
August 2025 in “Bioactive Materials” Ac-GFFY-IGF peptide is a promising, safe, and effective treatment for hair loss, better than current options.
2 citations
,
June 2025 in “Drug Testing and Analysis” The method effectively detects MeT and TP in dried blood spots after cream application.
January 2026 in “Biomacromolecules” A new topical method using peptides boosts hair growth effectively with less finasteride and fewer side effects.
February 2020 in “Definitions” 5 Alpha-Reductase Inhibitors reduce the effects of testosterone by blocking its conversion into a stronger form.
April 2020 in “Trends in Immunotherapy” Combining triamcinolone acetonide and immunotherapy can help regrow hair in some alopecia totalis patients.