Cleaning
Washing-up liquid bottles → dish soap bar or refill
A dish soap bar and a wooden brush replace the bottle entirely.
Swap Priority
55/100
Worth doing
Swap Priority 55 out of 100: Worth doing- Plastic avoided
- ≈ 400 g a year
- Typical cost
- £4 – £8
- Swap from
- Washing-up liquid in plastic bottles
- Last reviewed
- 26 September 2026
How strong is the evidence?
How the dials work- Exposure evidenceHow strong is the evidence that the plastic version exposes you to microplastics or plastic chemicals?
- Weak · 1/4
- Environmental evidenceHow strong is the evidence that this swap cuts environmental harm over the product's whole life?
- Moderate · 3/4
- Claim verificationHow well has the alternative's plastic-free claim been verified?
- No product yet
Why swap
Washing-up liquid is bought constantly. A solid bar removes the bottle and lasts weeks.
What to look for
- Solid dish soap in card or unpackaged
- Local refill stations with your own glass bottle
Watch out for
- Bars work best with a brush rather than a sponge
More swaps in cleaning
Cleaning64/100Swap Priority 64 out of 100: High priority
Plastic sponges and scourers → natural scrubbers
Scouring plastic against dishes wears it into fragments. Natural scrubbers compost at the end.
High priority · about 250 g of plastic a year
Cleaning52/100Swap Priority 52 out of 100: Worth doing
Single-use cleaning sprays → refillable bottle and concentrate
Keep one good bottle and refill it. Concentrates cut packaging and cost.
Worth doing · about 1.0 kg of plastic a year