STEPS
TOOLS
What you'll need: dish soap, olive oil, and your dirty sponge.
Warm water!
Start off with this much soap.
Add a little oil to it.
Almost clean!
Keep rubbing and rinsing until the dirt and makeup is all off!
All done!!
 Dish soap
 Olive oil
 Blending sponge

How to clean a beauty blender\blending sponge!

There's many more ways to do this, I'm sure. This is just how I personally find best.