On Clear, Poreless Skin

What's the easiest way to get rid of blackheads on nose? I've tried pore strips, cleansers and what-not but only managed to get 20% at most. My friends suggested going to the dermatologist but I find it too costly and time-consuming. Plus imagining someone pricking my face isn't exactly my cup of tea. Looking at their faces though, I'm almost tempted to go. They have this really clear skin and not too visible pores I can't help but just be envious. I wonder if there's a supplement that you can take to make your skin as clear as if you go to the dermatologist regularly? Most asians I know have lovely complexions and according to a Chinese friend, they drink special herbal teas that not only make their skin lovely but their overall health too. I'd definitely be more than willing to try something like that than have my skin pricked for hours.