The present invention relates to a receiving device (5) for forming a mixing machine (6) when said receiving device (5) is inserted into a manufacturing apparatus (2), the receiving device (5) comprising- a first receiving location (13), configured to receive a first capsule (3) containing a first formulation, - a second receiving location (14), configured to receive a second capsule (4) containing a second formulation, the two capsules (3 , 4) being able to be fluidly connected, - a first actuating face (8.1), - a second actuating face (9.1), opposite the first actuating face (8.1), - a heating element (46) configured to heat at least one of the first and second capsules (3, 4) when the receiving device (5) equipped with the first and second capsules (3, 4) is received in the mixing machine (6), - a first electrical contact track (23.1) for power supply e of the heating element (46), located on a first connection face (23) of the receiving device (5), - a second contact track (24.1) for the electrical supply of the heating element (46) , located on a second connection face (24) of the receiving device (5). Figure for the abstract: Fig. 4A
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