![plot explanation - Why did they use Head & Shoulders to fight the alien invaders in Evolution? - Movies & TV Stack Exchange plot explanation - Why did they use Head & Shoulders to fight the alien invaders in Evolution? - Movies & TV Stack Exchange](https://i.stack.imgur.com/V0imf.png)
plot explanation - Why did they use Head & Shoulders to fight the alien invaders in Evolution? - Movies & TV Stack Exchange
![In Evolution (2001) they use Head & Shoulders shampoo to destroy the alien organism because it contains selenium. However, the active ingredient in Head & Shoulders isn't selenium, it's zinc. They should In Evolution (2001) they use Head & Shoulders shampoo to destroy the alien organism because it contains selenium. However, the active ingredient in Head & Shoulders isn't selenium, it's zinc. They should](https://external-preview.redd.it/MiMcuj19ONoC00viQwMFLZk7AkUgLAwtMBGXuB_m6Bo.jpg?auto=webp&s=c24961fbb37ee4a8fab7187a46410d1e32b42a1f)
In Evolution (2001) they use Head & Shoulders shampoo to destroy the alien organism because it contains selenium. However, the active ingredient in Head & Shoulders isn't selenium, it's zinc. They should
![Head And Shoulders Evolution Movie GIF - Head And Shoulders Evolution Movie Funny - Discover & Share GIFs Head And Shoulders Evolution Movie GIF - Head And Shoulders Evolution Movie Funny - Discover & Share GIFs](https://c.tenor.com/1Si9Emp2sB8AAAAd/head-and-shoulders-evolution-movie.gif)