This is a very simple, easy and cheap way to make a pimple less red which makes it less noticeable.
Now all you'll need is eyedrops specifically for red eyes. It will not work if you don't use the one for red eyes.
This is the only one i've used and i find it works
So the way you do this is really simple. All you do is apply a drop of the eyedrops on the pimple the night before and when you wake up in the morning the redness will be very subtle and not as harsh as it used to be.
So let me know whether this worked for you or not.