“Catriona!” my hairdresser exclaimed across the salon last week when I went in for a bob. “This lady colours her own hair!” Catriona abandoned her lady for a proper look. “Really?” “Um, yeah, started in lockdown,” I lied, scarlet that I only shell out €7 on box dye and not an absolute fortune on highlights at the salon. Apparently, it was socially acceptable to say you dyed your hair at home when the country shut...