All essays

Shampoo bar manufacturing

Process notes, formulation choices, quality checks, and packaging thinking for solid hair-care products.

Suitcase-Proof Shampoo Bars

Walk down the travel aisle of any beauty retailer and you will see the same mistake repeated dozens of times: a full-size shampoo bar shrunk to 20 or 30...

The Travel Tin Is a Stability Chamber

I've watched a lot of otherwise excellent shampoo bars turn into soft, sticky pucks inside travel tins. The tin looked beautiful in product photos, but it...