The Use of Phototherapy With Different Wavelengths in the Treatment of Androgenetic Alopecia

This study evaluated the effects of phototherapy using red (660 nm) and blue (440 nm) wavelengths on Androgenetic Alopecia (AGA) in 10 volunteers over 12 weekly sessions. Both wavelengths resulted in increased hair density, reduced central parting, more terminal hairs, and fewer vellus hairs, demonstrating the potential of phototherapy as a promising treatment for AGA.