The Hypoallergenic Crystal Glue for Eyelash Extensions is carefully tested to ensure the highest quality and safety standards available for eyelash extensions. It is a premium quality glue with a formula to minimize the .potential of an allergy or irritation 
Crystal glue is recommended especially for those with sensitive eyes, allergies or for clients who wear contact lenses. This eyelash extension glue is to be used by trained professionals only. It offers a 2 seconds bonding performance and lasts 2-3 weeks before a refill is needed. It complies with all Health Canada regulations. Its Ideal humidity levels are 45% to 65% for the best results.