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The blue color of the product helps subtly make dingy whites more white in appearance by reflecting more light, according to Mrs. Stewart’s, a popular bluing brand. Aside from bluing, you can ...
White clothes are stain magnets. Food and drink spills, sweat, and makeup can completely ruin your outfit, and removing those discolorations can be tricky. Improper cleaning methods can make ...
The post How to Wash White Clothes to Keep Them Looking Bright appeared first on Reader's Digest. With a little care, your whites can stay bright, even as you enjoy your colorful life. The post ...
Many white fabrics are blued during manufacturing. Bluing is not permanent and rinses out over time leaving dingy or yellowed whites. A commercial bluing product allows the consumer to add the bluing back into the fabric to restore whiteness. On the same principle, bluing is sometimes used by white-haired people in a blue rinse.
A white surface treated with an optical brightener can emit more visible light than that which shines on it, making it appear brighter. The blue light emitted by the brightener compensates for the diminishing blue of the treated material and changes the hue away from yellow or brown and toward white. [2]
The term "bleach" originates from a French word signifying "to whiten." In essence, the process of bleaching involves whitening by removing substances that impart color to the material undergoing the bleaching treatment. [26] Bleaching is the process of decolorizing the material after it has been scoured.