Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) steatocystoma multiplex ?
    ### Response:
    Steatocystoma multiplex is a skin disorder characterized by the development of multiple noncancerous (benign) cysts known as steatocystomas. These growths begin in the skin's sebaceous glands, which normally produce an oily substance called sebum that lubricates the skin and hair.
    