What position the cooling feeling will take main effect:
WS-23: The cool feeling burst in mouth, with strong impact.
WS-12: The cool feeling is weak in mouth, but after entry into the throat, the feeling will be stronger.
WS-5: The cool feeling burst at the back of the mouth and will last to throat part.
WS-3: The cool feeling burst slowly in mouth, and will last to the back of the mouth.