Dylon Lingerie Whitener whitens refreshes and freshens greying underwear. It reawakens tired appearing lingerie that contains turned a small grey from normal washing. Its unique whitening action works on most white underwear, from bras to vests, and its mild formula is secure on delicate like lace and silk. Your whites will be left clean as a daisy and as white as new. It is fitting for hand and machine washing.