Une paupière qui tombe progressivement, une vision double, des difficultés à mâcher ou une fatigue musculaire inhabituelle : ...
Upper face lines are not a single category, and treating them as one is where most disappointment with botulinum toxin begins ...
They begin as creases that show only during expression and, after years of repeated muscle contraction, can settle into the skin as lines that remain visible when the face is still," said Dr. Martin.