I have AC on my lower lip and was given Efudex to start using. Truthfully, I am scared to death to start using it but I will. I was going to start on 4/30/21. Instructions are to use it twice a day for 7 days. My son is getting married on July 3rd and I do not want my lips to be swollen, red and peeling. Is this enough time for healing to take place? About how long does it take to heal? I have 2 areas on lower lip-one on each side of the lip. The center of the lower lip is cle