Researchers at the University of Michigan Health System Department of Dermatology have found scientific evidence that the appearance of sun-damaged skin may be improved by treatment with a topical product that increases the skin's sensitivity to light, followed by laser therapy. In the new study, participants whose skin was sun-damaged or photodamaged were treated with a topical photosensitizer called 5-aminolevulinic acid (5-ALA) and then with a pulsed dye laser.
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