I've never heard of dry shampoo, but CFCs are effectively banned [1] so you're probably thinking of something else. [1] https://en.wikipedia.org/wiki/Chloroflu

I've never heard of dry shampoo, but CFCs are effectively banned [1] so you're probably thinking of something else. [1] https://en.wikipedia.org/wiki/Chlorofluorocarbon https://en.wikipedia.org/wiki/Chlorofluorocarbon