134 citations,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
33 citations,
January 2016 in “Skin appendage disorders” The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
18 citations,
April 2021 in “Experimental Dermatology” COVID-19 may cause hair loss and scalp pain due to inflammation and changes in hair follicle receptors, but these symptoms typically resolve in 2 to 4 months.
58 citations,
December 2017 in “Journal of The European Academy of Dermatology and Venereology” Microneedling can help stimulate hair growth, especially when used with other treatments, but it's not better than existing therapies.
3 citations,
October 2018 in “Skin appendage disorders” New treatment reduces hair shedding and increases hair density in women with early hair loss.