Science has shown that as we age, our skin loses some of its ability to retain moisture. Moisturisers might make our skin feel smoother, but how much difference do they really make? Quentin Cooper talks to Dr Andrew Barnes from De Montfort
University and dermatologist Dr Susan Mayou about the difficulties of measuring the amount of water in the skin. New techniques might give more accurate readings, but how will the cosmetic companies react to this research? Producer John Watkins. E-MAIL: scirad@bbc.ac.uk
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