What it means
The stratum corneum is made of dead skin cells set in a lipid mix of ceramides, cholesterol and fatty acids, often described as bricks and mortar. Over-exfoliation, harsh cleansers, cold and sun can damage it, leaving skin dry, red and reactive.
Repair focuses on replacing the missing lipids and reducing irritation while the barrier recovers.
Also known as
- skin barrier function
- stratum corneum
- moisture barrier
- lipid barrier
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Sources
General information, not medical advice. Talk to a clinician about any decision about your health.