From the Special Ingredients section of the Shomer-Tec Online Law Enforcement and Military Equipment Catalog:
Doo Drops look and smell just like real diarrhea. Many useful applications, all of which will be left to your imagination. It’s just like a tube of explosive diarrhea, except silent for stealth deployments. It comes in a handy dropper-top squeeze dispenser for rapid, realistic applications. All-natural. SMELLS LIKE CRAP.
They also offer:
LIQUID ROADKILL: Before you use this incredibly foul putrifier, take a moment to reflect on all the roadkill left out in the scorching sun
and other fine products.