Yumi lash lifts are the safest lifts out there as they do not contain harsh chemicals. They are vegan & cruelty free. They’re EU approved and do not contain ammonia. Still the most important way to ensure your lash lift is done correctly is by seeing a LICENSED professional. Make sure to take the proper steps and research your lash tech. Read reviews, look at their lash transformations which should be easily available. Make sure the salon is clean!