Excellent Customer Service: We have a 100% refund guarantee. If you have problems, don't hesitate to contact us. We will try our best to help you. For DIY or Salon use: Drying time is about 2-3 seconds. Long drying time is a good choice for new lash tech or DIY. You can easily finish your lash extensions at home using this sensitive eyelash extension glue with extreme low fume. Long Lasting: The lash glue can hold your fasle lashes for about 2-3 weeks. Good for Individual lashes and cluster lashes. Especially Designed for Sensitive Eyes: We Produce the lash glue according to ISO quality standards and using top-quality safe medical-grade ingredients. You can try this lash extension glue if you have sensitive eyes. Friendly reminder: Please don't get the eyelash glue into your eyes. It will cause eyes irritation. Do a Patch Test before Using, and shake the bottle well for 30 seconds.