I had Botox on my forehead, crows feet area and between my eyebrows. I don't know for sure how many units I had but I'll ask at my next visit. It doesn't hurt and it is done within 10 to 15 minutes. I think by concentrating on keeping still helps me not notice the needles going into my skin. I get an ice pack for my face and I don't use it for too long. I haven't had any filler in my lips but...