Methoxsalen uses Methoxsalen is used in the treatment of vitiligo and psoriasis.
How Methoxsalen works Methoxsalen is an organic compound used in conjunction with ultraviolet-A irradiation. It functions by reducing the number of cells produced by the skin.
Common side effects of Methoxsalen include erythema (skin redness), blisters on the skin, edema (swelling), and itching.