Shampoo Bars

Everything you need to know about syndet shampoo bars — from your first batch to a full understanding of why they work, what’s in them, and how to get the best results for your hair type.

Batch and Bubble is built around one core belief: that making your own shampoo bar is more straightforward than it looks, produces better results than most commercial alternatives, and costs a fraction of what you’d spend on a product that doesn’t actually work. Everything in this category exists to back that up with real recipes, real experience, and honest advice.

Whether you’re here because you’re curious about making your first bar, troubleshooting one that isn’t performing, or trying to understand what SCI actually is and why it’s in your recipe…you’re in the right place.

New here? Start with these:

The beginner syndet shampoo bar recipe is the foundation — one tested formula with every ingredient explained and every step documented including what went wrong on my first batch.

If something isn’t working, the free troubleshooting guide covers the six most common problems and exactly how to fix each one.