Patent ID: 7307051

Claim:
A method of washing hands for an approximate minimum period of time predetermined to provide effective cleansing, the method comprising: a. providing a dual chamber dispenser containing a cleansing system comprising a first element and a second element formulated, upon mixing for the minimum period of time, to indicate passing of the minimum period of time by a change of color; b. applying to a user's hands from a first chamber of the dual chamber dispenser the first element of the cleansing system, the first element containing a pH indicator, where the pH indicator is red cabbage isolate; c. applying to the user's hands from a second chamber of the dual chamber dispenser the second element of the cleansing system comprising a soap or detergent and alginate beads containing a pH-altering compound; and d. performing hand washing motion of the user's hands for at least the minimum period of time, the hand washing motion mixing the cleansing system of the first element containing the pH indicator and the second element comprising soap or detergent and alginate beads containing the pH-altering compound and causing the cleansing system to change color, for indication of passing of the minimum period of time predetermined to provide effective cleansing.