Journal
Notes from the lab.
Short essays on formulation, dermatology, and the discipline of doing less.
Editorial··3 min read
A short shelf is a discipline.
Eight products, and the case for not adding a ninth.
Method··4 min read
The pH question, answered slowly.
Why our cleanser is acidic, and why your soap shouldn’t be.
Notes··5 min read
On retinaldehyde, and why we stopped at 0.05%.
A short defense of the threshold dose.