First though, check your duvet all over and see if there are any stains that need attending to. Sponge them off with some stain remover. Next, put the duvet into the washing machine and be careful ...

We’ve updated this guide with notes from our long-term testers. March 2025 Duvet covers can be tricky to change, but using one is essential for extending the life of your comforter (or duvet).