In our May issue, celebrity colorist and Redken Creative Consultant for Color Tracey Cunningham  talked about spring and summer haircolor trends. Here, she shares the formulas for three of her current celebrity favorites—Minka Kelly, Kate Bosworth and Bryce Dallas Howard—using the new ammonia-free Redken Chromatics permanent color. Brunette—Minka Kelly (Natural Level 3, Dark Brown) “My [...]