students with brown hair (or hair of any colour that isn't black) are obliged to give proof that the colour is natural. In some cases, even if it is natural, they are ordered to dye it black.

The survey of 1,000 children and teachers accompanies a new campaign masterminded by P&G’s Pantene shampoo brand, which also sells hair dye, to challenge the expectation. Nearly 10 million ...

If there is buildup on the hair, then the only negative impact could potentially be the colour not taking as well." There is no ingredient in Pantene that is flammable in that manner; I couldn't ...