What ingredient is add to the Gatorade and saliva mixture to break open the cheek cells and release the DNA from inside the cells?

To break open the cheek cells and release DNA from inside them, a detergent is added to the Gatorade and saliva mixture. The detergent disrupts the cell membranes, allowing the DNA to be released into the solution. This process helps to isolate the DNA for further analysis or experimentation.