How-tos and costs
How to use a bar, how long it lasts, and what it really costs per wash.
- How Long Does a Shampoo Bar Last?
Published wash counts and bottle equivalents for Kitsch, Ethique, HiBAR, J.R. Liggett's and Bottle None, with the weeks each count lasts at your wash rate.
- How to Store a Shampoo Bar
Storage rules from Bottle None, HiBAR and Chagrin Valley: raised dish, out of the shower stream, open air, and what to do when you travel.
- How to Use a Shampoo Bar
Step-by-step shampoo bar use drawn from Kitsch, Ethique, Chagrin Valley and Bottle None instructions, with where each brand's advice differs.
- Shampoo Bar Cost Per Wash
Price per wash only where a brand publishes a wash count, with the division shown, plus price per 100 g for every bar with a published weight.
- Shampoo Bar Transition Period
Why hair can feel waxy, filmy or heavy after switching to a shampoo bar, the causes brands name, and adjustments to try, with sources.
- Shampoo Bars and Hard Water
Do shampoo bars work in hard water? What Chagrin Valley and Kitsch publish about hard water, rinse fixes, and chelating ingredients in bar formulas.