FAQs/Frequently Asked Questions How does the self-heating POSIFORLID® eye mask work? Where is the POSIFORLID® eye mask available? What does the POSIFORLID® eye mask cost? I have just opened my new pack and one or both masks are solid (not liquid) and do not work. What should I do? Must I remove my contact lenses before using the POSIFORLID® eye mask? Must I remove my eye make-up before using the POSIFORLID® eye mask? Both round and somewhat larger oval cotton pads are commercially available. Which should I use? Do I really need to place the cotton pads in the cover? How often should I use the POSIFORLID® eye mask and for how long? When can I expect to see results? The symptoms are not subsiding. What should I do? When should I not use the POSIFORLID® eye mask? How is the heat generated? Is the temperature of the POSIFORLID® eye mask safe? Can I be sure of not burning myself? I would like to use the mask without cotton pads, but find that the mask then feels too hot on my skin. What should I do? How can I make the mask stay warm longer? What if I see white crystals in the eye mask? I have no cotton pads left. Can I still use the mask? How long can the mask be used for? Why has the POSIFORLID® eye mask turned completely solid after use?