December 2023 in “Lasers in Medical Science” Fractionated laser therapy, especially erbium-glass laser, effectively increases hair thickness in people with hair loss but doesn't increase the number of hairs.
21 citations,
January 2018 in “Lasers in Medical Science” The 1927-nm fractionated thulium laser treatment significantly improves hair thickness and count in pattern hair loss patients.
November 2024 in “Health Science Reports” Light/laser therapy can effectively increase hair density in some types of alopecia, especially androgenic alopecia and alopecia areata.
January 2025 in “Journal of Cutaneous and Aesthetic Surgery” Low-level laser therapy effectively improves hair growth in androgenetic alopecia with minimal side effects.
Exosome therapy successfully regrew and restored natural hair color in a man with stress-related hair loss.