South Florida Tissue Paper Co. employees gather for a group photo on Nov. 4 inside the family-owned business’ 101,000-square-foot facility in Miami Gardens. At center, CEO Juan Corzo Sr. holds a box.

CINCINNATI -- Procter & Gamble Co. has picked up backing for its challenges to paper towel advertising by Kimberly-Clark Corp. The advertising industry's self-regulatory body recommends changes in ...