"Wetness" refers to the state of being wet or moist. It is used to describe the quality or condition of something that has liquid on its surface or is soaked with water. Full definition
There are other things to consider in a baby wipe: • the size of the wipe, • the thickness of the wipe, • the level of wetness of each wipe, • and durability. (healthybabyhappyearth.com)
Dyes may also be used in the elastic in back, in wetness indicators, and around the legs. (babycenter.com)
The added bonus, I found, was that she never lost the sensation of feeling wetness when she peed. (diaperjunction.com)