Older silver-plated styles will require polishing. The instrument will tarnish more so when not used frequently. The new platinum-plated styles do not require silver polish and will not tarnish.
Do not use solvents or cleaners to clean the pen. Using a soft cloth and water will usually remove any dirt.
Use a soft polishing cloth to wipe down and polish metal parts.
When not in use, it is recommended to retract the refill in order to prevent any staining on a shirt pocket for example.
The ballpoint pens that we offer have a twist action mechanism. There is no reason to remove the end cap that twists. Doing so will loosen the fit over time which will eventually cause a problem for advancing and retracting the refill.
Ballpoint pens can be used with strong writing pressure. No worries there.