18 citations
,
January 2015 in “International Journal of Trichology” This study found that intralesional steroid treatment led to significantly more hair regrowth in alopecia areata patients than narrow band ultraviolet B therapy, while their combination did not enhance effectiveness.
30 citations
,
January 2015 in “Dermatology” This study found that 308-nm excimer laser therapy improved hair diameter in alopecia areata patients, as shown by photographic assessments and a side-by-side comparison with control patches.
81 citations
,
August 2014 in “Lasers in Surgery and Medicine” This study found that low-level laser therapy significantly increased hair growth in women with androgenic alopecia, achieving a 37% greater increase in hair counts compared to placebo.
37 citations
,
November 2011 in “Photodermatology Photoimmunology & Photomedicine” This study found that narrowband UVB phototherapy alone is not very effective for severe alopecia areata, with improved responses noted primarily in patients also receiving corticosteroid injections.
79 citations
,
September 2009 in “Pediatric dermatology” This study found that the 308-nm Excimer laser was effective and safe for treating patchy alopecia areata in children, with hair regrowth observed in 60% of treated scalp patches.
64 citations
,
June 2009 in “Photomedicine and Laser Surgery” This study found that monochromatic excimer light achieved complete remission in over 50% of plaque psoriasis cases and various levels of improvement in other skin conditions, including vitiligo and mycosis fungoides.
9 citations
,
April 2009 in “Dermatologic surgery” Infrared light might help treat stubborn alopecia areata.
90 citations
,
January 2009 in “Journal of cosmetic and laser therapy” In this study, low-level laser therapy showed no statistically significant improvements in hair growth measures, despite some patients experiencing increases in terminal hairs and shaft diameter.
63 citations
,
January 2006 in “Journal of cosmetic and laser therapy” This study found that pulsed infrared diode laser therapy (904 nm) was effective in promoting hair regrowth in 94% of patients with resistant patches of alopecia areata.
85 citations
,
November 2004 in “Journal of the American Academy of Dermatology” The 308-nm excimer laser helps hair regrowth in some alopecia areata cases but not all.