Guest guest Posted November 2, 2005 Report Share Posted November 2, 2005 I get cold sores often and hydrogen peroxide seems to stop them. The only think is you must apply it when the first tingle and little blisters start. This keeps them from developing and spreading for me. If anyone tries this, try to put the peroxide on only the sore spot, as it is not great for the skin. I use a q-tip. Quote Link to comment Share on other sites More sharing options...
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