CeraPlus Skin Barrier 4" x 4" (10cm x 10cm).The CeraPlus Skin Barrier is a ceramide-infused, skin-friendly accessory product that is designed to improve the fit of an ostomy product. The CeraPlus Skin Barrier does not have a starter hole. It can be cut for customized stoma care to absorb moisture, protect skin, and help keep skin healthy.