Kiss i ENVY Long-Lasting Individual Eyelash Glue with Protein Enrichment, Clear KPEG03 This protein-enriched, semi-permanent lash glue is ideal for precisely positioning individual lashes without causing harm to your own. Advice & Techniques Tip 1For best results, use with i•ENVY Eyelashes. Tip 2: Never forget to verify fit. Place an eyelash over your natural lashes and cut it if necessary. Tip 3: Before applying lashes, allow your glue to get tacky. For best results, wait 30 to 60 seconds and hold the lashes in place while applying so the adhesive has time to fully dry.