You must have had to break the surface of the skin to do that.
As a result there is very little visible at the skin surface.
Light pressure is needed to feel the tissue close to the skin surface.
It seemed he drew fire right from the surface of her skin.
The two paths for current are along the surface of the skin and through the body.
They feel like small peas under the surface of the skin.
He didn't like anything that disturbed the surface of his skin.
They usually begin as flat, but parts may raise above the skin surface.
As cells move toward the skin surface, they start dying.
It is close to the surface of the skin and therefore accessible for reading.