Gently exfoliate your lips with a warm wet towel or lip scrub. Afterward, hydrate and soften with moisturizer or lip balm for a few days before the treatment.
If you get cold sores, you will definitely need an antiviral treatment (ex: valtrex or at least l-lysine). Physicians usually instruct to begin taking it 3 days before procedure, for a 7-10 day course. But even if you have never had a cold sore, 90% of the population have the virus that they are not aware of. A number of factors can TRIGGER (not cause) the virus, permanent makeup is one of them.
If you have had any type of lip surgery, consult with the physician about how long you should wait before having a permanent makeup procedure on the lips. Most physicians give a 3 week approval after lip filler injections. It may be best not to have lip filler injections and permanent lip color within the same year. If the lip surgery involves an incision (like a lip implant), the incision needs to be healed for about 6 months before tattooing on top of it.