Careprost eye drop is used to make your eyelashes grow longer, thicker, and darker. Careprost bimatoprost ophthalmic solution is also used on eyebrows. The best effects of this product are seen in 16 weeks with daily use. After 16 weeks you only need to apply it 2 or 3 times per week for maintenance. For more details, you can check icareprost.com.