As a result of this move, bottled mineral water without any sweetening agents added steadily became unfashionable, and the market, by the 1960s, had declined to an almost nonexistent level in the UK.
It's become so iconic that attempts to change its taste in 1985 — sweetening it in a move projected to boost sales — proved disastrous, with widespread anger from consumers.
Toothpaste, along with sugar free gum and mints, often contains a sweetening ingredient called xylitol that’s been found to be extremely toxic to both dogs and cats.