Dandruff affects 50% of adults globally. To get rid of dandruff, there are specific anti-dandruff shampoos. But what are the causes of dandruff, and what ingredients in Head & Shoulders shampoo help prevent a flaky scalp?

Cosmetic chemist Erica Douglas, otherwise known as “Sister Scientist,” breaks down how the ingredients in Head & Shoulders Classic Clean shampoo work.

0:00 Meet Erica Douglas, a cosmetic scientist
0:31 Head & Shoulders' simple formula: how pyrithione zinc fights dandruff
1:27 Surfactants and conditioners: how your scalp is cleaned and moisturized
4:13 Color and fragrance
6:08 Consistency, preservatives and pH adjusters
7:33 Head & Shoulders’ packaging: what would Erica change?

#Shampoo #Dandruff #WSJ

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