I purchased this because I tend to have puffy eyes in the morning especially if I´m tired.  I usually apply this gel eye mask  after cleansing and toning my skin, and leave it under my eyes for about 10 minutes.Its pretty good at reducing the puffiness immediately. It doesnt provide any moisture (it doesnt have a claim for moisture, so its acceptable), therefore using an eye cream afterwards is a good idea. After approximately 5 minutes,m it starts stinging slightly, but not at an extreme level. However, because of this I wouldnt recommend it to you if you have sensitive skin.