In the clinical studies, women received a QWO injection every 21 days and saw visible results in as little as three treatments! Because the butt and thighs are naturally fattier areas of the body, injections are typically much less painful and don’t require any anesthetic. So many participants also reported little to no pain during treatment and required zero post-treatment recovery time. The most common side effects reported during the trials included moderate bruising, redness, and minor swelling.