Everything published on Batch and Bubble – recipes, ingredient guides, troubleshooting articles, and comparisons. All of it written from real making experience in a Brisbane kitchen.

Every Clay I've Tested in Soap and Syndet Bars: What Each One Does

types of clay for soap making

Clay is the ingredient that does the most visible work in a syndet bar. It determines the colour, contributes to the cleansing profile, and tells you quite a lot about which hair or skin type the formula is built for. It also generates the most questions, because the options are genuinely different from each other…

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How to Store a Shampoo Bar: Make It Last Longer

plain cardboard box against white background

A shampoo bar that’s stored well lasts significantly longer than one that isn’t. This isn’t a minor detail: the difference between a bar that dissolves in three weeks and one that lasts two months is often storage, not formulation. Getting this right is one of the simplest ways to improve your cost per wash and…

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