Refreshing eye compress that stays cool, even when on the head, helping to reduce headaches and provide a relaxing experience. Compact and easy to store, it is the perfect complement to your relaxation routine. Physical cold therapy shrinks the blood vessel of head through cold, slows down the nerve conduction, relieve your muscular tension and mitigate your pain. Pulling down the headache relief cap to the wing of nose below eyes, the U shape design can perfectly restrict the light stimulation and create a dark & peaceful space, helping alleviate the migraine sensitive to the ray of light, which is an ideal way for headache relief.