Since down comforters are filled with feathers, special care must be taken when washing them. Unless they are dirty, wash down comforters no more than once a year. To keep your down comforter from getting dirty, use a duvet cover and.
How to Clean a Down Comforter at Home. Down comforters are a warm, cozy addition to any bed linen ensemble, but they can get dirty and need to be cleaned from time-to-time. This wikiHow will teach you how to properly clean a down comforter.