It's rare to get an indentation after a cortisone injection but it can happen. It goes away on it's own but it can take a few weeks or months on occasion depending on the severity. Juvederm is a great hyaluronic acid filler but all these types of fillers can cause the Tyndall effect of blue...
Hitting your face won't be sufficient to move a filler around...just think of the sustained pressure we use to mold the material immediately after it's injected...and within hours it's even more difficult to move...and of course sleeping applies sustained pressure without compromising the filler...
Admittedly, these "accordion" lines that are produced with smiling (sometimes referred to as parallel laugh lines around the mouth) are difficult to treat. However, I have found that the combined use of a series "skin booster" filler injection treatments combined with microdroplets of Botox (or...