Careprost is the only FDA-approved prescription treatment for inadequate or insufficient eyelashes. it's a prescription treatment that lengthens, completes and darkens the lashes. Fabulous lashes don't happen overnight. that's why it's important to notice that the Careprost solution works gradually with amazing results.
As the treatment progresses, you may notice the primary change long. Then gradually you may notice thicker and darker lashes. If at week 8 you're satisfied with the results, don't stop. Continue with the treatment. After week 16 you may see the total effect of the Careprost solution, then will the others.