The solution to your soap dish needs. Loofa's a naturally grown gourds.  They are 100% biodegradable and will outlast your shampoo bars 10 fold. Preserve your Shampoo & Conditioner Bars by placing each bar on a Loofa , and allowing you bars to dry and be stored on the loofa.
 
The Loofa sponge is composed of slightly rough fibers that are can double in being a very helpful exfoliant for your skin.