Barrier Edit
How skin holds on to moisture, what the research on each ingredient shows, and where it stops.
Hydration
Why Is My Skin So Dry? The Real Causes, From Your Shower to Your Hormones
Dry skin is rarely down to one thing. Here's what research links to it, from the air in your home to your age, your hormones and your medicine cabinet, and when it's...
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Hydration
Dry or Dehydrated Skin? How Skin Holds On to Water
Tight but shiny? Flaky but oily? Here's what dry and dehydrated really mean, how your skin holds on to water, and what helps it hold on to more.
Skin barrier
Damaged Skin Barrier: The Signs, the Causes and How to Repair It
Tight, stinging, suddenly fussy skin? Here's what a stressed barrier looks like, what tips it over, and what helps it recover, outside and in.