From the Rid-X web site
Q: How does RID-X® work?
A: RID-X® Septic System Treatment contains billions of 100% natural active bacteria and enzymes to break down household waste. By adding RID-X®, you restore the delicate balance of beneficial bacterial and enzymes needed to help keep your system operating at full efficiency. Each box and bottle of RID-X® contains the following ingredients scientifically proven to break down household waste:
- Cellulase: Toilet paper, vegetable matter, and some foods
- Lipase: Fats, oils and grease
- Protease: Proteins
- Amylase: Starches
Q: Will RID-X® unclog my drain/pipes/toilet?
A: No, however, when used regularly, RID-X® liquid can help break down organic build-up in your pipes, to help prevent clogs before they happen.
Q: Can the bacteria in RID-X® infect a person who touches it?
A: The bacteria in RID-X® are all natural and beneficial to your septic system, and not harmful to people.
http://www.rid-x.com/faq.shtml