January 2019 in “Chulalongkorn Medical Journal” Using a special laser and platelet-rich plasma together is safe and improves hair growth in men with hair loss.
April 2016 in “Journal of the American Academy of Dermatology” 
August 2019 in “Journal of The American Academy of Dermatology” Platelet-rich plasma helps hair regrowth and improves quality of life in women with hair loss, but minoxidil may be more effective.
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April 2018 in “Journal of Investigative Dermatology” March 2015 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” 
136 citations,
January 2013 in “International Journal of Trichology” 
61 citations,
September 2016 in “Journal of Cosmetic and Laser Therapy” Platelet-rich plasma (PRP) was found not effective in treating male-patterned hair loss.
50 citations,
July 2015 in “Journal of the American Academy of Dermatology” Using 2.5 mg/mL triamcinolone acetonide is effective for hair growth in alopecia areata with fewer side effects.
39 citations,
January 2017 in “Dermatologic Therapy” Topical calcipotriol may help treat alopecia areata, especially in those with low vitamin D.
23 citations,
February 2014 in “Journal of Pediatric and Adolescent Gynecology” Low-dose finasteride reduces excessive hair growth in teenage girls safely and affordably.
12 citations,
January 2006 in “Journal of Dermatological Treatment” Topical 1% sildenafil is not recommended for treating alopecia areata in children.
5 citations,
May 2018 in “Veterinary dermatology” Gluconolactone products can significantly reduce skin scaling in golden retrievers with ARCI.
5 citations,
February 2018 in “Military medicine” A U.S. Naval fighter pilot suffered permanent vision loss in one eye due to recurrent central serous retinopathy.
2 citations,
November 2017 in “Journal of Cosmetic Dermatology” Injecting platelet-rich plasma under the skin significantly improves hair growth and quality without harmful effects.
2 citations,
February 2015 in “Postępy Nauk Medycznych” 
September 2023 in “Medical lasers” The botanical shampoo with Morus alba root extract is safe and effective for treating hair loss.
November 2013 in “Journal of clinical & experimental dermatology research” Dutasteride can help treat hair loss in both men and women.
33 citations,
January 2002 Latanoprost, a glaucoma drug, showed potential for promoting hair growth in bald monkeys, especially at higher doses.
30 citations,
July 2001 in “BJUI” Combination therapy improves urinary flow and reduces residual urine, but needs better stent design.
14 citations,
June 2019 in “Dermatologic therapy” PRP did not significantly regrow hair in alopecia areata totalis patients.
14 citations,
January 2011 in “Urologia Internationalis” Finasteride may help prevent chronic bacterial prostatitis, with better results when combined with antibiotics.
10 citations,
April 2020 in “Dermatology and therapy” Calcipotriol works almost as well as clobetasol for mild to moderate alopecia areata with fewer side effects.
10 citations,
January 2012 in “Annals of Dermatology” Finasteride 1.25 mg showed small improvements in hair density and thickness for female pattern hair loss, but more research is needed.
[object Object] 5 citations,
March 2014 in “Indian Journal of Dermatology” 
4 citations,
November 2017 in “PubMed” Your genes, especially IL-1a, can predict how well a hair growth treatment with platelet rich plasma will work for you.
1 citations,
February 2017 in “PubMed” The supplement may help hair growth and is safe, but more research is needed.
October 2023 in “Siriraj Medical Journal” Taking iron pills does not improve hair loss treatment in women with low iron compared to using minoxidil alone.
May 2023 in “General and comparative endocrinology” Monkey hair cortisol levels are not affected by how fast their hair grows.
May 2022 in “Dermatologic therapy” Combining PRP with follicular transplantation improves vitiligo treatment better than follicular transplantation alone.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve body composition in men with spinal cord injury.