transepidermal water loss

Transepidermal Water Loss (TEWL) – How applying your serum or moisturizer on slightly damp skin can help with better hydration

Since it’s the weekend and I like to reserve my Sundays for a DIY spa day at home, I thought many of you out there might enjoy a little treatment at home as well, even if it’s just a relaxing hot bath.  To make sure, your skin stays hydrated, here’s a little tip:

Transepidermal water loss (TEWL) happens on the skin’s surface when water evaporates.  It is one of the major factors that causes the tightness you feel on your skin after a shower or after washing your face.  At first you feel nicely clean and refreshed, but at soon as you get out of the bathroom and let your skin “air dry” for a minute or two, the tightness kicks in and leaves you feeling uncomfortable and your skin thirsty for hydration.

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