Charmin's new Ultra Soft Smooth Tear toilet paper, rolling out nationwide, has scalloped edges, instead of straight perforated edges.

(CNN) - Charmin is rolling out a change in its toilet paper rolls. The brand is introducing Ultra Soft rolls with scalloped edges nationwide this month.

Procter and Gamble has just changed the way sheets tear off Charmin toilet paper, its biggest change in a century. But will consumers even notice the redesign?