We think that this silicone grease is one of the best (and most essential) plumbing spares you should have – use it for lubricating any tap parts, valves, cartridges, washers, seals, o-rings or other plumbing parts when they are being fitted.
You’ll find that not only does it fit more easily, it protects, maintains and also helps prevent the parts jamming when they need to be removed.
Black Swan Silicone Grease