Just take a shower.
It could be a lot of things. An insect bite, an ingrown hair, or most likely just acne. Just a clogged pore that got infected. Keep it clean and it should clear up shortly.
You cannot clean it. If it is clogged it must be replaced.
NO
You can't shower without getting wet, unless you are taking an imaginary shower. The whole point of a shower is to get clean, which you can't do without water.
pore strips
The best way to clean you room without you getting bored is by blasting some of your favorite tunes or inviting friends to come and help out.
no
clean out the jets and any other holes that are clogged
You don't clean a heater core. Once it's clogged, you cannot clean it out successfully. You need to replace it instead.
No, if it is clogged the only fix is to replace it.
It can't be cleaned, just replaced and recycled.
Replace them with new ones.