Black 15 in 1 Twice a Week Miracle Hair Shampoo Introducing a revolutionary and clinically proven hair care system for women who shampoo their hair twice a week: black 15in1 TWICE A WEEK Miracle Hair Shampoo. Containing many of the same natural and nourishing ingredients found in black 15in1 Miracle Hair Treatment, they create unparalleled performance for all types of hair. TWICE A WEEK Miracle Hair Shampoo is a scientifically advanced formula that is sulfate and paraben free. Key ingredients include Panthenol B5 to protect and add shine to chemically processed hair. Prodew 500 Amino Acid Blend helps to repair surface damage of the hair shaft and strengthen hair while preventing moisture loss. Sunflower Seed Extract provides UV protection from the sun, heat protection from styling tools and protects hair color from fading. Argan Oil nourishes the hair strands and helps reduce frizz and flyaways. Not tested on animals. Gluten-, paraben- and sulfate-free.