The 1550 nm fractional Er:Glass laser improved hair regrowth in patients with androgenic alopecia, but didn't significantly change collagen type I, skin fibroblasts, or macrophages. More research is needed for optimal results.
October 2022 in “Journal of Drugs in Dermatology” Combining PRP and laser treatments improves hair density best for androgenetic alopecia.
April 2024 in “Lasers in medical science” Lasers and light therapies are effective in promoting hair regrowth for different types of hair loss.
25 citations,
August 2017 in “Lasers in Medical Science” Fractional lasers seem effective and safe for treating hair loss, but more research is needed to find the best treatment methods.
11 citations,
January 2015 in “PubMed” A specific laser treatment can promote hair growth in mice by increasing certain protein levels.