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Ice is only really effective for the first 48 hours. After icing the hickey for 48 hours, you'll want to switch to a warm compress for the remainder of your treatment regimen. Ice heals the broken blood vessels, but heat will help increase blood flow to the area. This will facilitate healing and the reabsorption of blood. Use a hot water bottle or a microwavable heating pad. Do not apply heat therapy for longer than 20 minutes at a time. Don't use heat therapy if you have diabetes or poor circulation. In addition to applying a warm compress, massaging a bruise like a hickey can help facilitate blood flow to the site of the injury. Common methods of massaging a hickey include rubbing it with your hands or applying pressure using: a toothbrush with stiff bristles a pen cap the cap from a tube of chapstick Icing, heating, and massaging the skin will all help the bruise heal, but you may want to treat the skin in order to make the physical mark disappear more quickly. No skin treatment will provide instant results, but will help speed up the healing process. Common skin treatments include: aloe vera Arnica salve Preparation H taking vitamins C, E, and K supplements taking bilberry extract taking bromelain
Switch to a warm compress. Massage the bruise. Treat the skin.