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"There’s a new understanding that if you have an unhealthy scalp, the hair that grows from it is also unhealthy. We believe that people’s expectations are changing."
Hear more in this video on what's changed in consumer expectations of hair care from Procter & Gamble scientists James Schwartz, Ph.D., and Rolanda Wilkerson, Ph.D., both with the Head & Shoulders brand. (See additional footage: Video 1)