When you look in the mirror, be objective. Some people want surgery for a couple of wrinkles that are barely noticeable to anyone but himself or herself. This will make you very vulnerable to unethical surgeons. Many people ask the wrong questions to their cosmetic surgeon. So many people, who are seeking cosmetic work, believe that just because it is done everyday that there is no risk of damage.
Plastic surgeons are humans.
They are physicians who have had extensive training in delicate repair of skin, but nobody can break the integrity of normal skin without leaving a mark. Ask to see their book of before and after pictures. You may wish to speak to the surgeons other patients to see in real person what the effects have been. Ask whatever other questions concern you. Prepare a list, it does not matter how many questions you have or how trivial you feel they are, Ask them.