COSRX BHA blackhead power liquid review

I got 10 samples of this and thought I give it a try and to write a review for you guys. each samples last for about four applications, if you use it only on specific parts. I forgot to take pictures of the product itself so sorry for that. But it is a clear watery liquid. The full sized product comes in a bottle with a pump. So you get a lot of product for the money.