Ethique

Solid Shampoo Bar

Plasticproof Excellent $$$Our price tier

Concentrated solid shampoo that ships with no plastic packaging at all — the bottle is the waste in liquid shampoo, and a bar removes it entirely.

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No plastic bottleCompostable packaging.
Replaces several bottlesWater left out.
Travels without leakingNo liquid limits.
See exactly how we verify this

As an Amazon Associate I earn from qualifying purchases — at no extra cost to you. We show a "Check price on Amazon" link rather than a number because Amazon prices change often.

Why it's safe for your family

  • A liquid shampoo is mostly water in a plastic bottle. A bar removes both: the water is left out and the packaging is compostable paper, so nothing plastic is bought or thrown away.
  • Concentration is the practical benefit — a bar lasts through what would have been several bottles, which is why the price per wash is lower than it first looks.
  • No plastic bottle in the shower also means no plastic degrading under hot water and no pump mechanism to fail.
  • A solid bar travels without leaking and without counting against liquid limits, which is the reason many people who try one for travel keep using it at home.

Quick specs

Format
Solid concentrated bar
Packaging
Compostable, plastic-free
Replaces
Multiple liquid bottles per bar
Travel
No liquid restrictions, cannot leak

What to avoid instead

Avoid liquid shampoo in plastic bottles, which is what this is for. Set expectations honestly: hair often takes a couple of weeks to adjust to a bar, and in hard water a bar can leave a film — a dilute vinegar rinse fixes it, and some people never get on with bars at all.

How we verify — and what we don't

Straight answer: we're a research team, not a testing lab. Here's exactly what our rating is based on — and what it isn't — so you can weigh it honestly.

What we check

  • What the product is made of, from the maker's own specs and product listing.
  • Whether any part that touches you or your food uses PTFE, PFAS, plastic, or a coating that can degrade.
  • Peer-reviewed research on how that material behaves when heated, scratched, washed, or worn.
  • Known failure modes — how the product actually breaks down in a real home.

What we don't do

  • We have not chemically tested this specific unit in a lab.
  • We don't take payment to rate a product higher — there is no sponsored placement.
  • We don't show star ratings or "trusted by thousands" counts we can't stand behind.
What gets a product rejected

Anything that adds a known microplastic, PFAS, or off-gassing source — a non-stick coating, a plastic surface against food or skin, vinyl/PVC — is downgraded or cut. We only list what clears that bar.

Don't take our word for it — check the sources yourself Ethique's product details

Common questions

Why does my hair feel strange for the first week?
Because you removed the silicones that liquid shampoos use to make hair feel slick immediately. Once those wash out, hair behaves differently — usually better within two or three weeks. Judging a bar on day two is judging the transition, not the bar.
What if I have hard water?
Hard water and soap-based bars can leave a film. Rinse with a very dilute apple cider vinegar solution once a week and it clears. If your water is very hard, look specifically for a syndet-style bar rather than a soap-based one.
How do I store it?
Out of the direct spray, on a draining dish. A bar left in a puddle dissolves several times faster, and that is the single biggest cause of people concluding bars are not economical.
Related reading
Plastic-Free Bathroom Guide

More safe picks

Affiliate disclosure: some links on this page are affiliate links. As an Amazon Associate I earn from qualifying purchases. We earn a small commission from qualifying purchases at no extra cost to you. This does not influence our recommendations — every product is selected based on peer-reviewed research.