How long does Bruder Dry Eye Mask last? When do I have to. replace them? Customer Service October 07, 2020 19:44 Updated Manufacturer recommends replacing after 6 months if used daily definitely after 9 months Please refer the product information here Related articles How do I wash my Bruder Mask? How long before I see a difference with Bruder Mask? Comments 0 comments Please sign in to leave a comment.