Maintains ocular pressure by caring for the human body's prostamides. The solution is absorbed by the cornea of the eyes, and after a few hours, the ophthalmic solution begins to work, lowering intraocular pressure. carepost lash serum works by extending the growth of eyelashes when it comes to growing eyelashes. The product is safe for the majority of users and produces the best results; however, using it under the supervision of a doctor is recommended to avoid unpleasant side effects.