There’s a reason Beth Minardi is a four-time BTC Stylist Choice Award Winner for Favorite Educator. Her knowledge of haircolor is second to none and her no-nonsense approach to business is unmatched. And while we can’t give away all her color secrets, we can give you a peek inside her candid, stripped down presentation from COLOR, Cut & Style 2014 in New Orleans. Here are six pieces of wisdom we learned from Beth at last year’s show.    

1. If you have a guest who is concerned about chemicals in her haircolor, explain to…