by black marks do you mean blackheads?
If yes fill a bowl with hot water soak a face cloth in and place on your nose keep the cloth as hot as possible and do for at least 10 minutes rub the cloth around the nose for a few minutes then place a cold wet cloth on your nose for a few minutes.
the first process with the hot cloth will open the pores rubbing your nose will remove the dirt and the cold wet cloth will close the pores, resist the urge to squeeze a week of this treatment once per day should cure the problem
Pimpal black mark
not go in mud
liver cleanse
The best way to get rid of spectacle marks on your nose is to make sure that your glasses are fitted properly. You will have more noticeable marks if you are hot and sweaty so remove your glasses when doing exercise. You can also buy glasses that rest on the nose rather than nose pieces and these won't leave a mark.
Bleach Will Remove The Pin Marks Just Let It Sit For 5Minutes And It Should Come Right Out (:
By getting enough sleep usually ...
Cover eyes with cucumbers or potatoes
The solutions to remove skin marks and black pot on skin is by using home remedies like lemon juice,buttermilk,oats or almonds where you apply on the spots.
use clean and clear black head lotion it works best.
cocoa butter or shea butter both work.
Use an eraser,or get one of those majic erasers by mr. clean.
There are hundreds of odd ways to get ride of spots and to remove black heads but the most effective way to remove them from the nose and everywhere else is to shower and exercise regularly and also have a healthy diet.