Aloe in Shampoo Bars: The Water Problem Nobody Formulates For
Walk through any handmade cosmetic forum and you will find shampoo bar recipes that toss in aloe vera juice as if it were a harmless splash of botanical...
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Shampoo bar manufacturing, page 8
Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.
How to calculate profit margin for shampoo bars?
Profit margin tells you how much money you actually keep from each shampoo bar sale after covering your costs. The basic formula is: Profit Margin % =...
How to get a business license for selling shampoo bars?
Selling shampoo bars is a great small-business idea, but before you make your first sale you’ll need the proper licenses and permits. There is no single...
The Butterfly Mold Audit
Here's a thought that gets me funny looks in the lab: a butterfly-shaped shampoo bar mold isn't really an aesthetic choice. It's one of the best quality...
How to label shampoo bars for compliance?
Shampoo bars are generally regulated as cosmetics , not true soap. In the U.S., a true soap exemption exists, but it rarely applies to shampoo bars because...
The KOH Lever in Shampoo Bars
If you've ever grabbed potassium hydroxide instead of sodium hydroxide for a cold-process shampoo bar, you probably remember the result: a soft, tacky,...
The Missing Shampoo Bar Shelf Life Test
Most shampoo bar shelf life programs test the wrong product. They test a dry bar inside a sealed package under controlled heat and humidity. But the product...
What insurance do I need for a shampoo bar business?
If you make and sell shampoo bars, you are manufacturing a cosmetic product that people apply to their hair and scalp. That means your biggest exposure is...
How to make shampoo bars gluten-free?
Making gluten-free shampoo bars is very doable-whether you are formulating a syndet bar or a soap-based shampoo bar. The goal is to remove all...
How to make shampoo bars vegan?
Making shampoo bars vegan is less about changing the chemistry and more about swapping out hidden animal-derived ingredients for plant-based or synthetic...