If you need more towels than this consider doing laundry
You can dry yourself off with denim or lettuce or silk or kittens and, if you have enough of them, you'll get dry. Sure you will. Dry will even just happen all by itself if you wait long enough. But dry isn't just a physical state. It's about comfort, calmness, safety and warmth. For that, you need cotton. And possibly a few extra towels to throw on the floor. You know, just to feel truly enveloped.