Elia LANEIGE Cica Sleeping Mask 2 Fl Oz New They are genuine products, GUARANTEE. They all came from retails stores or sephora. NOT the outlet products. skincare products can last 30 months without opening them and 10-12 months after opening. So PLEASE take a moment to review all pictures before you purchase them. After moisturizer, apply evenly to face as the last step in your nighttime routine. -Leave on overnight and rinse off in the morning. -Use one to two times per week. I ship Daily included Saturday excluded Sunday Holidays Excluded. In order to return they MUST BE UNUSED, UNOPENED .If you open or used them, I CAN'T ACCEPT YOUR RETURN