when I did ultherapy,the doctor scan my skin and told me that 4.5mm is too deep to me and 3.5mm is fit me. So he just used 3.0 mm and 1.5mm head for my treatment. Is this real?4.5mm is deeper and not fit everyone?I'm worried that I can't get a good result because of I don't use the 4.5mm deep. Because I find everyone all use 4.5mm first then use 3.0mm and 1.5mm. Btw, I did 1000 lines for whole face and neck three day ago. But until now I can’t see any effect.
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