19 citations,
January 2010 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
17 citations,
January 1977 in “Dermatology” Ultraviolet light helped hair growth more effectively than triamcinolone acetonide.
2 citations,
February 2022 in “Biology” Blue laser light reduces energy in mouse skin cells and creates harmful oxygen compounds, possibly harming the cells.
9 citations,
September 2017 in “Photochemistry and Photobiology” Red light at 627 nm can safely trigger IL-4 release in skin cells, potentially helping treat inflammatory skin conditions.
8 citations,
March 2021 in “Optics and Laser Technology” LED light therapy is effective for skin and hair treatments but requires careful use to minimize risks.