The sunscreen you will actually wear
How to choose a daily sunscreen — SPF, texture, and the habit that matters more than the label.
Topic
ingredients
A focused collection of Dr. Lurié education assigned to this category in article frontmatter.
Exosome Skin Care: Promising Science—or Marketing Ahead of the Evidence?
An evidence-led guide to exosome skincare: what exosomes are, why source and formulation matter, where topical claims outrun the evidence, and why injectable products are a separate safety question.
Peptides in Skin Care: Which Claims Are Worth Taking Seriously?
A practical evidence-led guide to peptide skincare: what peptides are, why the category is broad, how to judge product claims, and how the evidence compares with better-established actives.
PDRN Skin Care Is Everywhere. What Does the Evidence Actually Show?
An evidence-led look at PDRN in skincare, including what it is, where the strongest clinical evidence sits, and what remains uncertain.
There’s a New Sunscreen Ingredient in the U.S. — What Bemotrizinol Actually Changes
What bemotrizinol is, what the FDA reviewed, and what the 2026 U.S. sunscreen change does—and does not—mean for the sunscreen you use.
Fragrance-Free and Unscented Are Not the Same Thing
What fragrance means on a skincare ingredient list, why unscented can still contain it, who genuinely benefits from avoiding it, and the mistakes that waste money.
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.
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.