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.
Valentia Vitamin C Serum. Valentiaâs serum differs from Cellex-Câs primarily in the ingredients list. While Cellex-C does have excellent ingredients, the majority of Valentiaâs ingredients are organic, easing the minds of many customers wary of GMOs and pesticides.