DRESSING, DUODERM CGF STR 2"X4" (20/BX) Adhesive DuoDERM® CGF® Extra Thin is a hydrocolloid moisture-retentive wound dressing for superficial wounds with little or no exudate and for early intervention on those at-risk for skin breakdown It combines a unique ConvaTec hydrocolloid formulation that distinguishes it from other hydrocolloid dressings and a vapor-permeable outer film to provide an occlusive moist environment