Main thing with a laminate is to always use a sanding block with any abrasives sandpaper or pads. If you don't the glue lines will stand proud.

I wouldn't bother with an oil finish for one either but any of the improved wiping Oil/Varnish finishes will work.

Laminates usually wont take stain well or at all but you could add a dye type stain to the finish if the pink color persists. Go very lightly as the darker the finish the more it will show scratches. Record how much you add so you can get it the same when you refinish.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli