The "No-Lye" Shampoo Bar Myth, Debunked
I get some version of this email every few weeks: "Can you send me a shampoo bar recipe without lye?" Nine times out of ten, the person asking just wants to...
All essays
Shampoo bar manufacturing
Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.
The Shampoo Bar pH Blind Spot
Let me guess. You adjusted your shampoo bar to pH 5.5 in a beaker, called it balanced, and moved on with your life. I hate to break it to you, but that...
What are the best packaging materials for shampoo bars?
Shampoo bars are popular because they cut down on plastic waste, but their packaging still matters. The best packaging protects the bar from moisture, keeps...
What Your Shampoo Bar Supplier Isn't Telling You
Walk into any wholesale sourcing conversation and you'll hear the same five questions on repeat: What's the MOQ? Can we private label? What do the pricing...
Why a Daily-Use Shampoo Bar Has to Be Built Differently
People often talk about shampoo bars as though they are simply bottled shampoo with the water removed. From a manufacturing standpoint, that is not how...
How to source sustainable and ethical ingredients for shampoo bars?
Sourcing sustainable and ethical ingredients for shampoo bars is about more than swapping one oil for another. It requires a clear sourcing policy, honest...
The Cure-Time Cash Trap
If you've been around shampoo bar circles for any length of time, you've seen the same conversations repeat-recipes, pH strips, which mold to buy. But after...
The Honey Trap
Walk through any indie beauty market and you'll spot them immediately: golden-hued shampoo bars proudly labeled "with raw honey," sitting pretty next to...
The Shampoo Bar OEM Trap
Most shampoo bar sourcing advice reads like a boring checklist: MOQs, ingredient lists, lead times, unit cost, maybe "ask for a sample." That's fine as far...
The Sulfate-Free Paradox in Shampoo Bars
Here's a confession you won't hear at most industry trade shows: pulling sulfates out of a shampoo bar often makes the product harder to formulate, not...