How to store shampoo bars in bulk to extend shelf life?
Storing shampoo bars in bulk-whether you manufacture, sell, or buy in large quantities-requires a different approach from storing a single bar in the...
All essays
Shampoo bar manufacturing
Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.
Stop Water Discounting Shampoo Bars
If you've been making shampoo bars for any length of time, you've probably heard the phrase "water discount" thrown around like it's a secret weapon. It...
The Glycerin Paradox in Shampoo Bars
Walk into any natural beauty store and you'll spot it on half the shampoo bars lining the shelves: "Enriched with moisturizing glycerin!" It's become such a...
What are the shipping considerations for shampoo bars?
Shampoo bars are generally easier and less expensive to ship than liquid shampoos because they are solid, lightweight, and don't leak. That said, they come...
Why Shampoo Bars and Conditioner Bars Don't Mix
After years running pilot batches and troubleshooting production lines, I've learned one thing most brand owners find out the hard way: shampoo bars and...
Your Shampoo Bars Are Failing Because You're Chasing the Wrong Trace
Ask any soap maker how to know when to pour, and you'll get the same answer: wait for trace. That pudding-like thickening where the batter holds a drizzle...
Activated Charcoal Shampoo Bars: What a Formulator Knows That Marketing Usually Misses
Activated charcoal has become one of the most recognizable ingredients in modern shampoo bars. It looks purposeful, it photographs well, and it instantly...
How to make shampoo bars without coconut oil?
Yes, you can make shampoo bars without coconut oil. Coconut oil is popular in shampoo bars because it produces rich lather, strong cleansing, and a hard...
The Hardness Trap
If you've ever watched a batch of shampoo bars pass QC with flying colors, then crack in transit or snap in a customer's hand, you know something's off....
The Organic Shampoo Bar Paradox
I’ve lost count of the number of times a brand founder has told me they want a shampoo bar that’s “mostly organic but still lathers like a dream and doesn’t...