To my utter horror I found out at the end of July that my long-loved colour, L’Oreal Casting Creme Gloss Semi-permanent hair dye in Cherry Red 406 was being discontinued. It had been unavailable in Superdrug and Boots on the shelf, and a quick google roused my suspicions further. I tweeted L’Oreal, and my fears were confirmed. Thus begins the hunt for a new semi-permanent red…