I am a pretty dab-hand at covering blemishes after I grew up with pretty severe acne throughout my teens up until Roaccutane finally knocked it on the head at the age of 25. The struggles I went through to make my skin look somewhat 'normal' were endless...piles of foundations, concealers, blotting papers and powders filled my room as I worked out ways to cover without that awful masked look. It can really knock your confidence and self-esteem when you have bad skin & learning how to get on top of it can really change your life.
First up, makeup can only even the skin tone it can't change the texture. So no matter how much you apply you will not be able to smooth the lumps and bumps and that is where your skincare and treatments come into play. Make sure you invest in skincare, and in particular your cleansing routine. I tried SO many types of makeup and application methods to make my skin look clear and what works for me may not work for everyone, it's a game of trial and error and really understanding what kinds of things work on your skin.