:: The OP may be referring to some sort of optical brightener which are commonly used for clothes and do I believe work with the article offering some explaination for how.
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One application is to formulas for washing and conditioning grey or blonde hair, where the brightener can not only increase the luminance and sparkle of the hair, but can also correct dull, yellowish discoloration without darkening the hair.
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If this vortex of time and energy is worth something, per this day-brightener, it should allow us to recognize that there may be brilliant, productive, and prolific editors who have problems working in a collaborative environment.
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For Wie, who received criticism from some veterans for receiving a sponsor's exemption into the Open, the free pass to the 2005 tournament in Denver proved to be a day brightener, as well as a measure of vindication.
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Such fluorescence from certain textile fibers, especially those bearing optical brightener residues, can also be used for recreational effect, as seen, for example, in the opening credits of the James Bond film " A View to a Kill ".
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And there's another day-brightener : Hollywood producer David Permut ( " Face / Off " ) recently paid mid-six figures for the movie rights to Ramus'first novel, " Thief of Light, " which he wrote just before his criminal indictment as a kind of self-exorcism.