How to Bleach Denim to Stonewashed
- 1). Lay the fabric flat and choose the areas you want to look stonewashed.
- 2). Rub the pumice stone or sandpaper on the areas in an up down and side to side motion for 3 to 4 minutes.
- 3). Dip the cotton swab in bleach and dot it around the area.
- 4). Continue to rub the pumice stone or sandpaper on the areas until you see the amount of stonewashing desired. The bleach will start to change the denim to a lighter blue
Stone-Wash Denim With Bleach
Source...