Ak-NMSC Eryfotona Cream 50 Ml Healthy Skin Protection Film. ACTION AND DESCRIPTION Leave on the skin a protective film that protects against solar radiation. CE Marked. Medical Device Class I, not sterile. DIRECTIONS Half an hour before the exposure to sunlight, the areas applied on the sun will be affected. Apply only on clean skin and intact. Reapply every 2 hours while you are in the sun. Apply again after a long bath. Apply at least 20 minutes before of other dermatological product.