Barrier Science & Physiology
-
Sunscreen Lab: Physical vs. Chemical Filters — Which Protects Better?
Not all sunscreens work the same way. Here’s what the filters actually do, what SPF numbers really tell you, and how to choose the one you’ll actually wear.
-
Inflammaging Explained: How Low-Grade Inflammation Is Aging Your Skin Right Now
Inflammaging is the slow, invisible inflammatory process accelerating every visible sign of skin aging. Here’s what it is, what drives it, and which skincare ingredients directly address it.
-
TEWL Explained: Why Hydration Isn’t Moisture and How to Lock Your Barrier
If you are losing more water than you’re adding — that’s exactly what TEWL is. Here’s the science behind it, and how to actually lock your barrier.



