26/08/2026
Why Do Your Fingers Wrinkle in Water? ποΈ | The Science Inside Your Body
Why do your fingers become wrinkled after staying in water? ποΈπ§ It isn't simply because your skin absorbs water. Your nervous system triggers changes in the tiny blood vessels beneath your skin, causing the fingertip tissue to change shape and the outer skin to form wrinkles. Scientists have also investigated whether these wrinkles may help improve grip on wet objects.
A detailed 3D anatomy explanation of one of the body's most interesting everyday reactions.