whitener
whit-en-er
noun
A substance or product used to make something appear whiter or brighter.
"She used a whitener to brighten her old trainers."
Thesaurus
Synonyms: bleaching agent, bleach, blanching agent
whit-en-er
A substance or product used to make something appear whiter or brighter.
"She used a whitener to brighten her old trainers."
Synonyms: bleaching agent, bleach, blanching agent