Isdin EryFotona Ak-NMSC It prevents and repairs the actinic damage. Give your skin a new opportunity Indication Prevention and protective adjuvant treatment of actinic keratosis (AK) and other forms of non-melanoma skin (NMSC). It reduces and improves field of subclinical cancerous skin that is associated with actinic keratoses and of non-melanoma skin. EC Medical surgical class I device, indicated for the prevention of actinic keratosis (AK). How to use We recommend applying a half hour before sun exposure, reapply every 2 hours and after swimming. Components Photolyases (enzyme); DNA encapsulated in liposomes; Protective filter UVA, UVB. Format Tube 50ml.