It's 'supposed' to whiten your teeth and pull the toxins out of your body.
Long sheets of hail fell from the clouds, which seemed of very insignificant volume, but they could not whiten the ground.
Boil for one hour with the lid on the saucepan, that the steam may whiten the fat.
Melancholy was stronger than Reason, and three or four soft locks were beginning to whiten about his temples.
There was just enough snow to whiten the ground, but none to spare.
By the time she was again ready for sea, the January snows had begun to whiten the fields about St Malo.
He said that the teeth should be cleaned, but that it was girlish to whiten them with powder.
Oatmeal and warm water used every night and morning as a wash will whiten and soften the roughest and darkest hands.
I was soon despatched; and my bones left to whiten on the sand.
Her eyelids fell, she began to whiten and to droop, and her hands twitched and trembled.