Q&A: Can I dissolve a shampoo bar into water to make a liquid shampoo?

I’m seeing these two questions asked quite a lot in the various solid shampoo bar groups I’m in – including the one I moderate, Syndet Shampoo Bars – and the short answer is no, you can’t dissolve a shampoo bar into water to make a liquid shampoo. Why? Let’s take a look at a few…

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