Bar Soap vs. Liquid Body Wash: Which Is Better for the Environment?

Every year, Americans throw away billions of plastic body wash bottles. Most end up in landfills or the ocean, where they take hundreds of years to break down. Meanwhile, the contents inside those bottles are often 80–90% water — you're paying to ship and store water, then discarding the plastic container it came in. There's a much better way.

The Environmental Cost of Liquid Soap

A typical 16 oz bottle of body wash contains roughly 12 oz of water. The remaining 4 oz is cleansing agents, fragrance, preservatives, and thickeners. Compare this to a handmade soap bar, which is almost entirely active, concentrated cleansing ingredient — no water filler, no preservatives needed, no plastic bottle.

Studies estimate that a bar of soap lasts the equivalent of 2–3 bottles of liquid body wash. That's 2–3 fewer plastic bottles per person per year, multiplied by millions of consumers.

Bar Soap Has a Much Lower Carbon Footprint

Liquid soaps are heavier to transport (because of all that water weight), require more complex packaging, and need preservatives to prevent bacterial growth in the liquid formula. Bar soaps are lighter, more compact, require minimal packaging, and need no preservatives because they don't contain water.

A 2009 study published in the International Journal of Life Cycle Assessment found that liquid soap has a carbon footprint nearly 25% higher than bar soap per hand wash. Multiply that across a lifetime of showers and the difference is significant.

Natural Soap Is Biodegradable

Commercial liquid soaps often contain synthetic detergents and chemicals that don't break down easily in water systems. Natural handmade soap, made from plant-based oils and natural minerals, is fully biodegradable — making it a safer choice for waterways, marine life, and the environment as a whole.

Minimal Packaging, Maximum Impact

At Beyond the Soap, our bars come in minimal, recyclable packaging. No plastic pump. No squeeze bottle. No waste. Just a beautiful bar of soap that does its job and leaves nothing harmful behind.

Make the Sustainable Switch

Switching to a natural bar soap is one of the simplest, most impactful changes you can make for the environment. It costs less per wash, lasts longer, and leaves a fraction of the footprint.

Shop Beyond the Soap and make your shower routine part of the solution.