With the generalized facial swelling that patients experience after a facelift, its common to have some creasing and pleating in the wound closure behind the ear. I see them in my own patients and they soften and 'flatten' with time. Talk with your PS about your concerns.
Skin bunching and wrinkling will likely improve over a period of months. Sometimes, the bunching or wrinkling needs to be revised. Without any pictures or an exam though, it is difficult to give any more information. Kenneth Hughes, MD Los Angeles, CA