The journal
Notes
from the
bench.
Ingredient deep-dives, routine logic, and plain-language science from the people who actually formulate the line. No trend-chasing — just what we've learned at the lab.
Latest
Recent
writing.
Education · Mar 2026
Why one form of hyaluronic acid isn't enough
Eleven molecular weights, eleven jobs. A look at why the breadth of an HA system matters more than the percentage on the label.
Read →How-to · Feb 2026
Building a weekday vs. weekend stack
Your skin isn't the same on Tuesday as it is on Sunday. How to run a low-load routine on busy days and a full build when you have time.
Read →Ingredients · Feb 2026
Niacinamide, without the myths
Does it really need to be 10%? Can you layer it with vitamin C? We clear up the most common niacinamide confusion.
Read →From the lab · Jan 2026
What 'made in New York' actually means
A walk through our cGMP lab and why owning the bench changes what ends up in the bottle.
Read →Routine · Jan 2026
The case for a smaller stack
More actives isn't more results. When to strip a routine back to three steps and let the barrier recover.
Read →Science · Dec 2025
Reading a clinical claim like a chemist
Corneometer, TEWL, n-size — a plain-language guide to the numbers brands put on their hydration claims.
Read →