· Dr. Lurie · ingredients
Azelaic Acid: What the Evidence Actually Shows
What azelaic acid is, what the evidence supports it for, who it suits, how people get it wrong, and how it interacts with the rest of a routine.
ingredients
Niacinamide for the aging skin barrier
A plain-language, evidence-based explainer on niacinamide and the aging skin barrier: how it supports barrier function after 40, what studies actually show, and how to use it without irritation.
Niacinamide, plainly
A plain-language ingredient explainer for niacinamide — what it does, and realistic expectations.