Slough

Kruste

(dead skin on a sore or ulcer)

Schorf

(dead skin on a sore or ulcer)

abgestreifte Haut

(the skin shed by a snake or other reptile)

abwerfen

(to shed (skin))

schwänzen

(to commit truancy)

sich häuten

(to shed (skin))

sich lösen

(of skin, to be shed)