The application discloses a body waste collecting device comprising a collecting pouch and an adhesive wafer for attachment to the skin, said wafer comprising a backing layer and a first and second layer of hydrocolloid adhesive, where the second layer of hydrocolloid adhesive is at least partly interposed between the first layer of hydrocolloid adhesive and the backing layer, the first and second adhesive layers consisting of a continuous phase and a discontinuous phase, wherein a) the discontinuous phase of the first adhesive layer comprises pectin, carboxymethyl cellulose, gelatine, guar gum, and potato starch, b) the discontinuous phase of the second adhesive layer comprises carboxymethyl cellulose, gelatine, and guar gum, c) the composition of the continuous phase of the first adhesive layer comprises a polyisobutylene, a styrene block copolymer, a butyl rubber, and a tackifier, d) the composition of the continuous phase of the second adhesive layer consists of polyisobutylene and styrene block copolymer.