Shampoo Bar Rebatching Is Not Soapmaking
If you formulate syndet shampoo bars built on sodium cocoyl isethionate (SCI), sodium coco sulfate (SCS), cetearyl alcohol, and a handful of other precisely...
All essays, page 45 of 107
Shampoo bar manufacturing, page 45
Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.
The Crystal Structure Problem Nobody's Solving
You nail a shampoo bar formula in the lab. Lather's great, rinse is clean, the bar feels solid in your hand. Then you scale it up, and three months later...
The Refillable Bar Blind Spot Nobody's Talking About
Walk into any clean beauty shop, or scroll through a sustainable haircare brand's Instagram for five minutes, and you'll run into the same pitch. Refillable...
What are the pros and cons of private label vs own brand for shampoo bars?
If you’re launching a shampoo bar line, one of the biggest early decisions is whether to go with private label - putting your branding on an existing...
Your Curing Rack Is Process Equipment, Not Storage
Most people spend weeks perfecting a shampoo bar formula-adjusting the SCI-to-SCS ratio, dialing in pH, testing pressing pressure-and then plop the wet,...
How do I source fair-trade oils for shampoo bars?
Sourcing fair-trade oils for shampoo bars is a two-part process: first, you identify the oils that are realistically available with credible fair-trade...
Jojoba Oil Is Ruining Your Shampoo Bars (And Your Lye Calculator Won't Tell You)
Search "jojoba oil shampoo bar" and you'll get the same three facts recycled across a hundred blogs: it's technically a wax, not an oil. It mimics human...
Rosemary Oil in Shampoo Bars: The Problem Hiding in Plain Sight
If you've made or bought a natural shampoo bar lately, chances are rosemary oil was somewhere in the formula. It smells clean, it sounds herbal, and it...
Tea Tree Oil Is Breaking Your Shampoo Bar
Let's be honest: most of what you read about tea tree oil in shampoo bars is the same recycled bullet list. It's natural. It's antibacterial. It refreshes...
The Castor Oil Problem in Shampoo Bars
You've probably felt it: you pull a "moisturizing" natural shampoo bar out of the shower, and instead of clean hair, you've got something that feels vaguely...