Treatment of Photodamaged Skin of the décolleté

Inclusion Criteria: * Décolleté with chronic field-change photodamaged skin. * Area with visually homogenous photodamage. * Provide informed written consent. * Fertile women must provide a negative U-hCG pregnancy test at the time of inclusion, and use safe anticontraceptive during the entire study period, e.g. oral hormonal contraceptives, intrauterine devices, subdermal implantation, or hormonal vaginal ring. Exclusion Criteria: * Treatment of actinic keratoses in the décolleté area within the last 30 days. * Porphyria. * Pregnant or nursing women. * Skin cancer (invasive, in situ), keratoacanthoma, or other infiltrating tumors in the study area. * Known tendencies to produce hypertrophic scarring or keloids. * Allergies against Metvix creme solution, peanuts, or soy. * Considered unable to follow the study protocol, e.g. alcohol dependence syndrome.