Well, yes, they can damage your eyes. So you should be careful about using them. First you should know that they are unlike false eyelashes. As we know that for false eyelashes, lashes are applied to the eyelid. So they can be removed after usage. While eyelash extensions are applied directly to the natural eyelash with a bonding agent, in this way, of course they can last up to six weeks. But on the other hand, it can be very dangerous, because these bonding agents and glues are irritants. Definitely, it can make your eyes feel discomfort. And in some serious situation, it can lead to eye infection and do some damage to your eyes. so you should pay more attention to the danger of them.