Keratin is a tough, waterproofing protein. Keratin is secreted by the cells of the epidermis (the outermost layer of skin).
Keratinocytes
which is a protein that makes the skin waterproof
The principal cell of the epidermis is the keratinocyte. Keratinocytes are the most abundant cells in the epidermis and are responsible for producing keratin, a tough protein that helps provide strength and waterproofing to the skin.
A tough protein called keratin.
Keratin- fibrous protein that makes up human skin, nails, hair etc.
iron
Keratin
The tough waterproof protein found in skin is called keratin. It forms a protective barrier on the surface of the skin, hair, and nails, providing strength and durability.
Keratin is the protein that strengthens and waterproofs the epidermal layer of the skin.
The tough protective protein found in epidermal cells is called keratin. Keratin helps to provide strength and structure to the skin, hair, and nails.
The tough waterproof protein found in skin, hair, and nails is called keratin. Keratin provides structure and protection to these tissues.
Tough. Protein is a nutrient, so if you're talking about pure protein, that's probably only available in powder form . So in a drink, I guess.