How Long Does Latisse Last? Latisse works as long as you continue using it, meaning you can keep applying it daily after four to five months have passed in order to maintain your results. Your eyelashes will still go through their normal growth cycle, but they'll maintain any extra length, thickness and color.

Does Latisse ever not work?

Clinical studies have shown that Latisse is very effective for many user. ... Many notice changes as early as 4 weeks and 50 % have changes by the second month. By 16 weeks, 80 % will have an improvement.

Do eyelash serums stop working after a while?

' The problem with eyelash serums is that while many do seem to be effective, they only work as long as you're using them and your lashes will go back to normal after you cease using the product.