Why do we need preservatives in products containing water?

Are you wondering why you need to add a preservative in your body products that contain water? Would you believe that microbes need water and oxygen to live?  Just give them the right conditions and they can breed like bunnies. If you want to learn more about this subject,  I would recommend reading Point of Interests' post titled Why do we need preservatives in products containing water?  This post has some good information in addition to links to other postings including a video on the importance of preservatives.