Is License required to do Eyelash Extensions in United States of America? Lashing is an artistic and fun profession allowing you to be your own boss. You might be someone very curious to become a Lash Artist or You might be curious to learn the art of lashing or you might be someone who already is a Lash Artist and need to get Licensed? You would require a license to perform any treatment that requires touching others in United States. First and foremost, you do have to have an E sthetician or Cosmetology License to do eyelash extensions in most states. If you have one of these Esthetician or Cosmetology License then you would only require a certification course to perform Eyelash Extensions. The certification course would teach you on the hygiene and application of the lashes. Often people are confused and argue about the need of having a license to perform eyelash extensions. The Fact is YOU NEED LICENSE TO PERFORM EYELASH EXTENSIONS IN US. Also, to perform