If you relax your mouth, say “Ah—that feels so good,” and let yourself go, you’ll hardly get any bruising or swelling.
If you’re in the habit of blending your lip makeup gently—without rubbing too hard—
but just lightly sweeping it with a brush or your fingers, the filler seems to stay in place longer and last longer too!
(Every time I go to the clinic, they ask me how my fillers stay in so well and last so long.)