For over 40 years, Manic Panic - the 100% natural, vegan and cruelty-free temporary hair dye - has made statement colour accessible to the masses. Established in the USA by New York-based sisters Tish and Snooky, Manic Panic "tested on celebrities, not animals" is a globally famous, guilt-free, chemical-free choice of enriching conditioners that colour, hydrate, and fortify hair.