Answer
Yes. It does not contain the birch-pollen allergens responsible for pollen allergy. It must not be used by someone allergic to birch-bark extract itself or refined sunflower oil.
Sources for this answer
- Filsuvez Gel — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.