Very seldom use it.. Out of 20 years doctor only 1 to 2 patients with keloid... If scar heal well why need to use... Share with doctor pain and itchyness... Especially women will need it they concern on the scarring.. This one as early prevention can help to prevent and reduce scar... Somehow doctor focus on clinical paper.. Share journal on next time.. But mainly he say his operation wound all close up nice not form scar... Ask doctor to try and see how effective is our product 