The direction of pull of the muscles forms a 23Â° angle relative to the visual axis in the primary position, giving rise to secondary and tertiary functions. The secondary action of vertical rectus muscles is torsion. The superior rectus is an incyclotorter, and the inferior rectus is an excyclotorter.
-Marcia. Dear Marcia, Eyelash growth serums generally contain either a prostaglandin derivative, like prescription Latisse, or over-the-counter Revitalash; peptides, like Jan Marini Growth Serum; or vitamins, like Peter Thomas Roth Lashes to Die For.
Here; we've rounded up the best serums that will help you get the long lashes of your dreams. Courtesy 1. Revitalash Advanced Your dreams of rocking mascara ad lashes can finally come true-without the use of falsies or extensions. Revitalash Advanced is officially the Rolls Royce of lash conditioners.