You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is One of the following is not a requirement of an ideal denture cleanser: and explain in detail?
Ideal requirements of denture cleanser:

Non-toxic
Easy to remove and should be harmless to patient.
Harmless to the denture base materials and denture teeth.
Able to dissolve all denture deposits such as calculus.
Exhibit bactericidal and fungicidal activity.