At a guess, it’s a precaution: very young children may eat it down as a kind of candy. (Don’t all flouridated toothpastes come with warnings against swallowing?)
Not just the very young—my 5 year old son was consuming toothpaste at such a rate that we have had to cut off his formerly unfettered access to it.
No amount of telling him ‘eating a tubeful every few days is probably unhealthy’ had any effect—he just loves the stuff.
At a guess, it’s a precaution: very young children may eat it down as a kind of candy. (Don’t all flouridated toothpastes come with warnings against swallowing?)
Not just the very young—my 5 year old son was consuming toothpaste at such a rate that we have had to cut off his formerly unfettered access to it.
No amount of telling him ‘eating a tubeful every few days is probably unhealthy’ had any effect—he just loves the stuff.