If you experience moderate sagging or a crepe-like appearance of the skin that is mainly caused by age-related skin laxity, you are a good candidate for Renuvion. Candidates should also have a BMI of 30 or below, be non-smokers, and be in generally good health. Candidates with BMIs of 30-38 may qualify but are likely to see better results with a tummy tuck. Read about skin tightening candidates.