The Subscription Squeeze: What Shampoo Bar Manufacturers Don't Talk About
I still remember the first time I got a call from a client launching a shampoo bar subscription. They were pumped. "We sell out every month!" they said....
All essays
Shampoo bar manufacturing
Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.
The Tin Is Part of the Formula: What Shampoo Bar Containers Really Do in Real Bathrooms
Shampoo bar tins are usually sold as a tidy travel accessory or a “plastic-free” upgrade. In the workshop, I treat them differently. A tin isn’t just a place...
Your Shampoo Bar Cutter Machine Is Sabotaging Your Formulation
You spent weeks perfecting your surfactant stack. You ran pH calibration tests until your eyes crossed. You sourced the most ethically harvested botanicals...
Aloe Vera Shampoo Bars: What Most Formulators Get Dangerously Wrong
Spend ten minutes in any shampoo bar community and you'll watch the same story unfold. Someone posts their new aloe vera shampoo bar with that particular...
Hair-Loss Shampoo Bars, Without the Fairy Tales: Engineering for Scalp Calm and Less Breakage
Hair loss is the kind of concern that makes people reach for bold promises-and shampoo bars are no exception. From the factory side of things, though, I’ve...
How to get a GMP certification for shampoo bar production?
Securing Good Manufacturing Practices (GMP) certification for shampoo bar production is a critical milestone that demonstrates your commitment to quality,...
Shampoo Bar Certification: What the Seals Aren't Telling You
You've seen the logos. Leaping Bunny. USDA Organic. Ecocert. B Corp. They show up on shampoo bar packaging with the quiet authority of a guarantee, and...
The Real Price of a Shampoo Bar
You’ve spent weeks perfecting your formula. The surfactants are balanced, the butters are creamy, and the essential oils smell like a luxury spa. Your test...
The Real Science of Shampoo Bar Lather
I’ll be honest-when I first started making shampoo bars, I thought lather was all about adding the right surfactant. Throw in some coco betaine, maybe a...
What certifications do I need for organic shampoo bars?
If you’re launching an organic shampoo bar, the certifications you need depend on where you sell and what claims you make. “Organic” is a regulated term in...