Turn a bar of soap into 2 liters of liquid hand soap! "All it takes is melting the soap with water, adding a little vegetable glycerin, and voilà, you have made liquid hand soap." 1 c soap flakes 10 c water 1 Tbs glycerin
Wash any stinky towels in hot water with a cup of vinegar, then run again in hot water with a half-cup of baking soda. This will strip your towels from all of that residue & mildew smell & will actually leave them feeling fluffy & smelling fresh.