Any skin firming treatment is not permanent, just as the results from working out are not permanent. These treatments are a lifestyle choice like eating right and exercise. Just another tool to help us maintain our looks.
Herpes lesions are ugly and take awhile to heal. It's easier to prevent them than deal with them if you do get an outbreak. Besides, the medication is a short course of treatment, 3-5 days?
Would love to hear how your melasma responds to the treatment. I think it's too much heat and will stimulate your melanocytes. Did they have you pretreat with hydroquinone? I would get on hydroquinone as soon as your skins heals to...