I bought this after watching Joan Kim who absolutely raves about it. I've been using it the past 2 months and it's super useful. I put it on after cleaning before I go to sleep and I keep it on for the next day and by night, It's removed all the yucky stuff and there is no longer a bump. 

Love it :)). Really helps.

This is one of my holy grail items, i have no idea where I would be without it.

The first time use, I remember it not working very well but gave it a second try and never looked back.

What I remember doing differently the second time round is I have popped the pimple and then put the patch whereas the first time, I just put it on a under-the-skin pimple.

Put it on at night and the pimple dies down the next day - fully gone by the 2nd/3rd day.

Unfortunately I don't understand the item. I have seen the small effect on the skin.