Journal
Notes on ingredients, routines, and the reasoning behind each formula.

How to actually read an ingredient list
INCI lists are ordered by concentration, not importance. Here's what to look for in the first five ingredients.

Layering actives without irritating your skin
Vitamin C, retinol, and exfoliating acids all work — the trick is not stacking all three on the same night.

Why we packaged almost everything in glass
Glass costs more to ship and breaks more easily than plastic. We use it anyway — here's the actual reason.