Your Display Fixture Is Quietly Ruining Your Shampoo Bar
A brand I know spent eight months getting a syndet bar exactly right. The surfactant blend, the pH, stability testing at 40°C and 75% humidity for weeks on...
All essays
Shampoo bar manufacturing
Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.
Your Vegan Shampoo Bar Probably Isn't Vegan
I've spent years in shampoo bar manufacturing, and here's something that still surprises me: most "vegan" bars are only vegan on paper. The usual...
Bleached Hair Doesn’t Need a Richer Shampoo Bar—It Needs a Smarter One
Bleached hair is usually described in broad, lazy terms: dry, thirsty, overprocessed, fragile. Those words are not wrong, but they do not help much when you...
Do I need a business license to sell shampoo bars?
Short answer: In most cases, yes - you will need at least a basic business license or registration to sell shampoo bars legally. Selling handmade cosmetics...
Gray Hair Shampoo Bars: Stop Formulating Them Like Purple Soap
I've watched too many formulators make the same mistake with gray hair bars: they take a standard solid shampoo, toss in some violet pigment, and call it a...
Shampoo Bar Refill Packs Need More Than Good Intentions
Refill packs for shampoo bars are usually presented as a simple sustainability upgrade. Use less packaging, ship less weight, create less waste. That part is...
The Aloe Vera Shampoo Bar Trap
Aloe vera looks like a dream ingredient on a shampoo bar label. It promises hydration, a soothing story, and a natural appeal consumers already trust. But...
The Beginner Shampoo Bar Recipe Trap
Search "beginner shampoo bar recipe" and you'll find the same formula recycled a hundred different ways. Melt some surfactant noodles, toss in a few oils,...
What are the FDA labeling requirements for shampoo bars?
If you make or sell shampoo bars in the U.S., the first question is whether FDA views your product as a cosmetic or as true soap . Most shampoo bars are...
Your pH Strips Are Lying to You
Open any shampoo bar manufacturer's group and ask about quality control. You'll get the same answer nine times out of ten: a pH strip, a kitchen scale, and...