bleaching

bliːtʃ

verb

cause (a material such as cloth, paper, or hair) to become white or much lighter by a chemical process or by exposure to sunlight.

a new formula to bleach and brighten clothing

make/turn white,whiten,make/turn pale,make/turn pallid,blanch,lighten,fade,wash out,decolour,decolorize,peroxide,etiolate,go/grow/turn/become white,go/turn/grow/become pale,pale,go/grow/turn/become pallid,lose its colour,be washed out,blench