Self Heal (Prunella vulgaris) has been used for all sorts of wounds. It works on cuts, scrapes and burns. Somewhat astringent and demulcent, it stabalizes tissue while protecting the skins moisture. It also draws out infections, such as abscesses and boils. Internally it has been used for ulsers of the mouth and throat. Some herbalist claim it is a styptic herb that can staunch the flow of bleeding similar to yarrow or shepherd's purse.