 <unk> has been used since ancient times to aid wound healing and may be beneficial in first- and second @-@ degree burns . There is tentative evidence that honey helps heal partial thickness burns . The evidence for <unk> <unk> is of poor quality . While it might be beneficial in reducing pain , and a review from 2007 found tentative evidence of improved healing times a subsequent review from 2012 did not find improved healing over silver <unk> . There were only three randomized controlled trials for the use of plants for burns , two for <unk> <unk> and one for <unk> . 
