Celebrity nail artist Jenny @nailson7th revealed her secret on how she adhere crystals/rhinestones on her clients' nails that lasts 3-5 weeks! No UV/LED gel lamp required. Bundle includes: - Crystal Adhesive #1 - Crystal Finisher #2 IMPORTANT JENNY SECRET ADHESIVE #1 CARE MAINTENANCE: Make sure when opening the bottle initially, DO NOT close the top too tight as the adhesive may shut it close permanently. Make sure to wipe the bottle after each use. You may also apply a tiny bit of oil around the neck of the bottle to easily open and close the cap. MAKE SURE OIL DOES NOT MAKE CONTACT WITH THE ADHESIVE.