• Developed by doctors: The Perfect Remedy migraine therapeutic cap is made with non-toxic gel suitable for refrigeration, ideal for relieving headaches, sinusitis, and migraines. • 360º Relief: Made with high-quality, stretchy plush fabric, compact and easy to wash, this cap helps relieve headaches, facial tension, and reduce eye puffiness. • Microwave and freezer safe: Heat the mask in the microwave for 15 seconds for a warm effect, or place it in the freezer for at least 1 hour for a cold effect. Use it for a maximum of 20 minutes every 2-4 hours. • One size fits all: It adapts to all head sizes thanks to its soft fabric design that slides on easily and doesn't pull hair.