A "skin layer" is one of the levels that make up human skin, like the epidermis or dermis. In skincare, it may also mean a thin film on the surface made by products or dead cells.
Burn centers in India have experimented with the use of the thin outer skin layer to protect burns while healing. citation citation * Potatoes (mainly Russets) are commonly used in plant research. Source: Internet
The progeny feed on a skin layer that is specially developed by the adult in a phenomenon known as maternal dermatophagy. Source: Internet