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.
Like the normal hair, eyelashes do grow back in a month or six depending on your lifestyle and eating habits. However, using eyelash growth serums and enhancers can minimize this cycle. Most of the women get their lashes in a month or twos time using the right product and adapting a healthy lifestyle.