Salon haircolor service dollars grew by 3.5% in 2012, as client visits increased, salons offered new types of haircolor services and tweens and teens became professional haircolor users, according to the new 2012 Professional Salon Haircolor Study from Professional Consultants & Resources, (ProConsultants.us). Haircolor continued to be the primary driver of salons’ business and the good news for salons is that haircolor service sales are projected to continue to grow over the next five yea...