The magical cleaning agent in your bar of hygiene is likely cow fat or oil from, say, coconut. At the manufacturing plant, a chemical process removes the valuable glycerin in the fats and oils to be used in other products. The leftovers are mixed with sodium hydroxide and then blasted dry to form soap pellets, which are then mixed with the colorants, fragrances and other ingredients that allow a humble soap to go by the name of Carribean Breeze or Lilac Meadow.

While the production of soap—or anything, really—has environmental repercussions all its own, the pretty smells in our personal care products are, perhaps, the issue most worth examining here. Many of the chemicals producing fine aromas have been linked to not-so-fine human ailments or tested on animals, and their disposal—down your shower drain in a sudsy stream—fills our water system with chemicals that do not readily biodegrade (or breakdown).

Now, how about a shave?

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