Soap and soap dispenser assembly with such soap

A soap dispenser assembly comprising a soap dispenser and at least two pieces of soap;

• wherein the at least two pieces of soap are substantially ring shaped and each comprises an inner opening, a peripheral surface, a top surface and a bottom surface;
• and
• wherein the soap dispenser comprises a soap holder arranged to contain the at least two pieces of soap in a stacked position, a knife-blade module and a biasing module;
• and
• wherein the at least two pieces of soap are stacked, such that of each one of the at least two pieces of soap has at least a bottom surface engaging with a top surface of a piece of soap stacked next to it or a bottom surface or a top surface engaging with a bottom surface of a piece of soap stacked next to it,
• wherein the top surface of an upper most piece of soap of the stacked pieces of soap interfaces with the biasing module;
• and
• wherein the bottom surface of a lower most piece of soap of the stacked pieces of soap interfaces with the knife-blade module;
• wherein the peripheral surfaces of the at least two pieces of soap interface with the soap holder;
• and wherein:
• of each piece of soap
• the peripheral surface comprises a first alignment profile;
• the top surface comprises a first locking profile;
• the bottom surface comprises a second locking profile;
• and
• the soap holder comprises a second alignment profile;
• the biasing module comprises a third locking profile;
• and
• wherein the first locking profile and the second locking profile are rotationally coupled in at least one direction;
• and
• wherein the first alignment profile and the second alignment profile are rotationally coupled in the at least one direction;
• and
• wherein the first locking profile and the third locking profile are rotationally coupled in the at least one direction;
• and
• wherein the biasing module is arranged to bias the at least two pieces of soap towards the knife-blade module;
• and
• wherein the knife-blade module comprises at least one blade arranged to scrape the bottom surface of the lower most piece of soap upon rotation of the soap holder with the at least two pieces of soap relative to the knife-blade module.