Bathroom cleaners from the major brands can have some very harsh chemicals that put out harmful fumes are not not good to touch your skin. Not to mention the effects on the environment from flushing those harsh chemicals down the drain and into the water system. These chemicals are unnecessary and don't leave your bathroom any cleaner than this natural alternative that uses only natural, non-toxic ingredients.
Use this scrub to clean tough stains and dirt from your bathtub/shower or bathroom tiles. Also makes a good scrub for your kitchen sink if you've gotten some stubborn buildup around the edges.
You can even turn it into a soft scrub by putting some in a jar with just enough hydrogen peroxide to make a thick paste; then just dip a sponge or scrub brush in the paste and scrub the tub/tile as usual.