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Your ‘skin barrier’ protects your skin and keeps it hydrated – here’s how to look after it

By Daniel Sebastia-Saez, Lecturer of Chemical Engineering, University of Surrey
Daniela Carta, Lecturer in Physical Chemistry, University of Surrey
Lian Liu, Reader, School of Chemistry and Chemical Engineering, University of Surrey

The skin barrier is made from layers of keratin and lipids which prevent harmful molecules from getting into the body.

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