Direct Answer • Key Takeaway
It Will Typically Take About 6 Weeks for the Eyelash to Grow Back in If It's Cut or Burned but There's No Damage to the Follicle or Eyelid. .. . It Can Take Longer for the Eyelash to Grow Back. That's Because Pulling an Eyelash out of Your Eyelid Can Slow Down the Replacement Process.