Bleaching suede is extremely tricky, and is usually best done by a professional. Many dry-cleaning services specialize in cleaning suede and leather. But if you want to give it a try yourself, here's how. (Just be prepared to deal with the outcome, and keep your expectations low.)
Things You'll Need
Blow dryer holder
Generously apply bleach to the desired area, using cotton balls or cotton swabs.
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Let the bleach dry completely.
Repeat steps 1 and 2 until the stain is removed or the light color you desire is achieved.
Purchase a leather dye that matches the color of the item you are bleaching.
Ensure that the area is completely dry. Use cotton swabs to carefully apply the dye to the area bleached. (You can also use a soft toothbrush.)
Repeat Step 5 until the color in the area matches the item.
Scrape the suede with a blade while blow-drying. This will re-nap the suede. (Some people use their fingernails, but that can get very messy.) Use a blow-dryer holder, or get someone else to help.