Answer: whitens

AnswerCrossword Clue
WHITENSUses bleach, perhaps
WHITENSBlanches
WHITENSBleaches
WHITENSBlanches.
WHITENSCleans summer shoes.
WHITENSLoses color.
WHITENSBleaches.
whitensbecome white or whiter
whitensto make white or whiter snow whitened the hills
whitensWHITEN, to make white (the colour of pure snow)