It is important that you in applying always clean the skin before well and that the pores with warm water slightly moistened, so that a spongy texture. Only with water, these strips stick to the skin. After a good 15 minutes you can pull it off again and it will be seen that remain really stick some blackheads on which you usually not suspected in the skin, because you can not see them easily with the naked eye.
The only criticism is the price and the shipping. For 10 Strips you pay almost 15, - + about 6, - shipping what the same once about 21, - costs.
However, who wants to be beautiful, that has just so its price.
This product is highly recommended.