Seven swaps that cut bathroom plastic in half

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 are 80% 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.”