Careprost 3ml, sometimes referred to as an ophthalmic Careprost review, is an ocular solution containing 0.03% bimatoprost. This helps a patient get past problems like sparse or ineffective eyelashes. Amazon: Careprost Bimatoprost lengthens, thickens, and darkens eyelashes to enhance their appearance. The foam from real Careprost eye drops is what makes up Careprost serum. A natural molecule that is comparable to this is prostaglandin.