From Johnny Depp's Jack Sparrow to Amélie Poulain's raven bob, hairstylist John Nollet has created some of film's most ...

1. Take an old kitchen towel and two strong plastic bags without holes. 2. Wrap the pan in the towel and place it in one of the bags. 3. Put an open bottle of ammonia in the same bag. 4. Tie the bag ...