Project Disaster! Bleach-rot!

Bleach manufacturers don't like to acknowledge the fact that bleach can damage the integrity of some natural fibers, but it's true. Whenever you apply bleach to a garment, either to bleach it out white or to remove dye or stains, or to create discharge shibori or other effects, you need to use a stop-action chemical after your process. (Some brand names are Bleach-Stop and Anti-Chlor.)

( And here, in 4 color photos, is exactly why. )