The non-gel Toothpaste is a denser in consistency. Gel varieties that are kinds of Toothpaste tend to be more streamlined and transparent. However, it was only in the 20th century that the proper tubes of Toothpaste were invented. The use of natural ingredients to cleanse their teeth was there for hundreds of years. I remember, when I was a kid, we used to brush our teeth with Colgate powder. When I think of Non gel Toothpaste, that is the first thing, that comes to my mind.