Experimental clinical study with a post-marketing, prospective, intra-subject controlled design to evaluate the efficacy and safety of the use of a medical device for the treatment of cold sores, over a maximum period of two weeks (or until the outbreak has resolved).
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Confirm the effectiveness of the treatment in terms of pain relief, using an EVA scale.
Timeframe: At baseline, in 24 hours, in 3 days, in 7 days and in 14 days.
Serious adverse events.
Timeframe: Through study completion, apprroximately 2 weeks.