The skin on the back of your hand is strongly attached to the underlying fascia by numerous vertical fibers. It enhances or increase the skin stability and grasping function.
The skin of your hand has an extra skin for protection. Hair grows from the epidermal layer of skin and that hair is protein filled with keratin. Thick skin is present on the palm and on the feet.
The skin on the back of your hand is loose and because of that it can be pulled out. This skin comes under integumentary system that includes epidermis, dermis, hypodermis, hairs and nails.
Keratin is a protein that help in the formation of hair, nails and skin's outer layer.
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