I bought this concealer back when I had some pretty bad acne and I needed a high quality, high coverage concealer to use everyday.
What I love about this is that it is completely opaque, you could cover tattoos with this stuff. Of course concealer can't hide bumps, but it can get rid of their color. It is also very creamy and easy to use; I find that applying it with my fingers is the best way to use it because the heat from my fingers helps it to blend better.
The only thing that I don't like about this concealer is that it had a tendency on me to look cakey and weird after a few hours of wear, especially since my face was really oily. I found that if I reset it with powder every few hours it can help with that problem.
Overall if you are looking for an industrial sort of concealer, this is the ticket. My acne has since gotten a lot better so after I finish this concealer I will be trying others because I don't need such a high coverage one anymore.