Simple past tense and past participle of decolorize.(verb)
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Use "decolorized" in a sentence
"White (sometimes called decolorized, colorless or yodo blanco) iodine is what to use."
"It is also called decolorized or "white" iodine and won't stain the skin the way brown tincture of iodine does."
"Here's the routine to help get stronger nails: Using a cotton swab or an old, clean nail-polish brush, wipe the decolorized iodine on JUST the tips of your nails (not the entire nail)."