procerus muscle

The Procerus muscles can pull down the centre portions of the eyebrows.

The procerus muscles pull the skin into horizontal wrinkles.

The Procerus muscles cause the nose to wrinkle.

Botox, that injectable elixir of youth, got a big boost in April when the F.D.A. approved its use in minimizing the appearance of glabellar lines - those between-the-brows furrows we used to think deepened with life's wisdom but now know are caused by the contraction of your corrugator or procerus muscles.