Superfatting Shampoo Bars: When Extra Oil Helps—and When It Gets in the Way
In shampoo bar making, superfatting is one of those ideas that sounds simple until you start testing formulas on real hair, in real water, over real weeks of...
All essays, page 42 of 107
Shampoo bar manufacturing, page 42
Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.
The Lye Conversation Shampoo Bar Makers Keep Getting Wrong
Ask ten soap makers about lye safety and you'll get the same answer ten times: goggles on, add lye to water, never the reverse, do the zap test, superfat at...
The Packaging Paradox Nobody's Talking About
Walk into any natural products store and you'll see the same pitch repeated on shelf after shelf: shampoo bars nestled in kraft paper, wrapped in seed paper...
The Stick Blender Is Not a Mixer
If you corner a group of small-batch shampoo bar makers and ask what piece of equipment they can't live without, almost all of them will say the stick...
What are the challenges of using synthetic surfactants like SCI in shampoo bars?
Synthetic surfactants such as sodium cocoyl isethionate (SCI) are popular in shampoo bars because they allow a pH-balanced, sulfate-free solid cleanser that...
How do I make shampoo bars that don't slip out of wet hands?
The short answer is: design in mechanical grip . A slippery bar is usually a combination of a smooth, rounded surface and a formula that releases a slick,...
How do I reduce waste in shampoo bar production?
Reducing waste in shampoo bar production isn’t just about being “green” - it directly improves your margins. Waste in solid shampoo manufacturing typically...
Rebatching Shampoo Bars Without Ruining Them: A Formulator’s Guide to Salvage, Consistency, and Smart Waste Reduction
Rebatching has a reputation as the tidy fix for a disappointing shampoo bar. A batch cracks, dries out, comes out misshapen, or leaves you with a tray of...
Shampoo Bars for Bleached Hair: What the pH Advice Doesn't Tell You
Search "shampoo bar for bleached hair" and you'll get the same three tips over and over: sulfate-free, pH-balanced, extra moisturizing. None of that is...
Stop Treating Your Shampoo Bar Cutter Like an Afterthought
I’ve lost count of how many shampoo bar makers come to me with a formula already locked and a cutter already picked because it looked beautiful on a shelf....