This is why, for example, children sometimes move their lips while reading in silence. Last, but by no means least, some scientists suggest this instinct to tick our tongue out when concentrating ...

Simethicone 40mg; per thin strip; sweet cinnamon flavor. <2yrs: use drops. ≥2yrs: allow 1 strip to dissolve on tongue as needed after meals and at bedtime; max 6 strips/day.