Abstract: A refill for a cosmetic product dispensing receptacle, includes a base defining a housing suitable for receiving a cup containing the cosmetic product and a platform for holding the cup in position, the platform being movable in rotation with respect to the base between a closed position capable of clamping the cup and an open position allowing the cup to be removed, this platform being connected to the base by a pivot connection. The refill includes a system for positioning the cup to limit any relative movement of the cup with respect to the base, this positioning system including a bearing surface of the platform capable of coming to rest against an upper rim of the cup, this bearing surface having at least one positioning means.