10 citations,
May 1983 in “International Journal of Dermatology” Some people with severe hair loss saw hair regrowth after a specific light and drug treatment.
63 citations,
April 1985 in “Journal of the American Academy of Dermatology” Topical PUVA can cause temporary hair regrowth in some alopecia areata patients but doesn't change the long-term outcome.
3 citations,
October 2013 in “Photodermatology Photoimmunology & Photomedicine” The treatment is a safe and effective option for hair regrowth in patchy alopecia areata.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Alopecia patients have a less active liver monoxygenase system, which can be treated with photochemotherapy and system inducers.
218 citations,
April 2012 in “British Journal of Dermatology” Guidelines suggest various treatments for alopecia areata, but leaving it untreated is also an option as 80% cases may recover on their own.