Hratch Karamanoukian, MD, FACS says:Thank you for your question.If the skin has healed after dermapen PRP, it will be safe to do Ultherapy. I recommend that you wait at least 2 weeks to a month before you get the Ultherapy. Ultherapy is FDA cleared to treat laxity of the skin in the lower face, jowls and neck.Read the Ultherapy ...