A person can make a hickey go away by applying ice to the spot as soon as possible. Along with applying ice, a person can massage the hickey.
Massaging the hickey helps to break up the blood that has clotted beneath the skin. A person can alternate a cold pack with a gentle massage several times a day for best results.
Applying heat to the hickey can also reduce its appearance. The heat helps to open up the blood vessels to reduce the appearance. The heat should be applied for 10 to 15 minutes at a time. A user can alternate hot and cold compresses.