The depressor anguli oris is a facial muscle responsible for the downward pull of the mouth. It allows people to express emotions facially and, most notably, frown.

“I injected the lower face muscles, namely the DAO [Depressor Anguli Oris] and platysma muscle in the jawline, and now two weeks later, I present my results as I try and contract my lower face ...

Results indicated an increase in mean paretic-side commissure displacement from 27.45 mm at 21.65 degrees above the horizontal plane to 29.35 mm at 23.58 degrees after depressor anguli oris ...

The study used the hypothesis that wearing a mask will enhance eye muscle involvement in smiling as the mask wearer attempts to communicate their smile to others. In order to investigate the effect of ...

She added: 'You can see that the platysma muscle on this—the non-Botox—side is really contracting and pulling my jawline down, and so is my DAO [depressor anguli oris, pulling the corner of my ...

Note that use of BTX-A is not yet FDA-approved for use in the platysma muscles of the neck, the bar code lines, the depressor anguli oris (DAO), or in the trapezius muscles.

We know our faces may give away our fibs -- whether it's shifty eyes, a sweaty upper lip, a slight smirk, or Pinocchio's fictitious lengthening nose. Now a new study reveals that muscles in the ...

“I injected the lower face muscles, namely the DAO [Depressor Anguli Oris] and platysma muscle in the jawline, and now two weeks later, I present my results as I try and contract my lower face ...