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All lizards do shed their skin. It is different than a snake in a few ways, and actually the limbs make it more difficult. In most species it goes in pieces, or segments. Instead of one whole strip. The toes are especially vulnerable. As is the tail tip in some species. If the shed doesn't come of, a toe, foot, or tail tip, and is left for an extended period, and another shed cycle starts, that area may not shed again, the dead skin can harden, cutting of blood circulation in the appendage and the tissue will start necrotizing, normally resulting in the toe, etc, falling off. I have taken in a number of beardies as rescues with this problem, unfortunately it is common if owners don't learn what to look for. I have a golden tegu that I took in, and we decided to keep, who is missing a toe and has a few deformed toes, from repetitive bad shedding on her feet.
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