Liva Derma While the huge benefits are wide, not everyone is seen as a candidate for these treatments. Numerous research have exposed that people with olive, suntanned, or dark epidermis may take six to nine months to regain your family pigmentation after therapy. Others include those susceptible to scarring, have a disorder, or are getting certain medications. Your skin specialist should evaluate your experience to determine whether or not these types of operations are right for you.