Isdin eryfotona ak-nmsc spf100+ fluid… Isdin eryfotona ak-nmsc spf100+ fluid is a care that prevents and repairs actinic lesions. Prevention and supportive protective treatment of atinic keratosis (AK) and other forms of non-melanoma skin cancer (NMSC). Reduces and improves the field of cancer associated with actinic keratosis (AK) and non-melanoma skin cancer (NMSC). Creates a protective film on the skin (UVB 109, UVA 39) that prevents the appearance of new lesions and favors the repair of existing lesions. Their continued use favors the natural DNA repair mechanism.