Your skin is not a sponge. I know, I know—it feels like one after a long swim. But your skin is actually a fortress, not a bucket.
The outer layer, the stratum corneum (fancy name for dead cells), is waterproof. It’s like a brick wall coated in oil. Water can sit on top, but it can’t just waltz right through.
So, when you’re in the bath, your skin does absorb some water. But only into the very top layer of dead cells. That’s why you feel plump and dewy for about five minutes. Then the water evaporates, and you’re back to your usual, slightly dusty self.
What About That Prune Effect?
Ah, the pruney fingers! It’s not your skin absorbing tons of water. It’s actually your nervous system playing a trick on you. When your fingers get wet, the blood vessels underneath them constrict.
This pulls the skin inward, creating those adorable ridges. Scientists think this might be an evolutionary trait, like built-in rain tires for your fingertips. So you can grip wet rocks or slippery coffee mugs. Useful, right?
But here’s the kicker: if your nerves are damaged, you won’t get pruney. So next time your fingers wrinkle, give a little nod to your hard-working brain. You’re not a prune; you’re a genius.
How Much Water Does Your Skin Absorb During A Shower at Piper Armit blog
