High quality eyelash extension adhesives. For best results with retention open within two weeks of purchase and use within 30 days after opening. Do not store in refrigerator of freezer. Store upright in cool dry place. In humid states place in airtight jar with rice or anti moisture pack. Best room temperate for Lash Savvy adhesive is between 68-71 degrees. Humidity range is anywhere between 45 and 65. Adhesives will dry faster toward the higher humidity levels.