Skip to content
Swaps6 min read

Seven swaps that cut bathroom plastic in half

The bathroom is the densest plastic room in most homes. A handful of swaps removes the worst offenders without changing your routine.

Flat-lay of a bamboo toothbrush, shampoo bar, toothpaste tablets and a safety razor on warm linen.

A typical bathroom holds 30 to 50 plastic items at once, bottles, tubes, brushes, razors, packaging. Most are single-use on a months-long timeline: bought, drained, binned. The good news is that the worst offenders cluster in a small number of categories, and each has a clean, equivalent replacement.

Start with the shower

Shampoo, conditioner, and body wash bottles are the single largest source of bathroom plastic. A shampoo bar lasts roughly as long as two to three 250 ml bottles and ships in paper. The transition is one wash to adjust to, most people stop noticing by the third.

Then the sink

  • Bamboo toothbrush (compostable handle, replace head every 3 months)
  • Toothpaste tablets in a glass jar, no tube, no plastic cap
  • Refillable safety razor with recyclable steel blades
  • Solid deodorant in a cardboard tube

What not to bother with

Cotton swabs and floss are tiny by mass. Replacing them with bamboo or silk versions is a real upgrade, but it will not move your bathroom plastic total much. Focus on bottles and tubes first, they carry most of the weight.

“The most effective swap is the one you actually keep. A perfect zero-waste routine you abandon in three weeks beats nothing, but it loses to a slightly imperfect routine you hold for a year.”

Sources

  1. Life cycle assessment (LCA) of the innovative eco-designed container for shampooOkada, N., Shibata, S., Sakata, K., Nakajima, A. & Itsubo, N. · 2021 · Cleaner and Responsible Consumption
  2. Life Cycle Assessment of a Plant-Based, Regionally Marketed Shampoo and Analysis of Refill OptionsKröhnert, H. & Stucki, M. · 2021 · Sustainability
  3. 300 million toothpaste tubes go to landfillBritish Dental Journal editorial · 2021 · British Dental Journal
  4. The Global Commitment 2023 Progress ReportEllen MacArthur Foundation & UN Environment Programme · 2023 · Ellen MacArthur Foundation
The journal, in your inboxComing soon

One short letter a month. No noise, just measurements.

New audits, fresh swaps, and the occasional graph that surprised even us. Unsubscribe whenever you like.