Protect your investment with this down cleaner from grangers this innovative cleaner is carefully formulated for use on down filled clothing as well as synthetic alternativesunlike regular detergents this grangers down cleaner washes down and alternative synthetic insulations gently while regular detergents can strip down of its natural oils and flatten its loft this down cleaner protects the natural qualities of the fibres and can restore their loft which in turn protects and improves yo