how to clear on my face pimples marks

Try using natural "Shea Butter " daily. You can find this in your local beauty supply store. You can also use cocoa butter on a daily.
-Lemon juice & honey, leave on for 15 daily till you see progress.
-Lemon juice by it self, You’ll need a lemon, cotton swab, bowl. Juice lemon and dab lemon juice on spots with the cotton swab. Leave on for 10 mins daily until progress.