▼ You were saying the artificial dye and dust ....

 Vacuum package procedure will ensure the dust is never gonna be in the ingredient box.

(Red) Is artificial dye is also a chemistry process?

Its called a chemical reagent, if that is edible or not edible.

(Red) So it is a chemical reagent?

Technically you say food dye, not chemical, that labeling meant the chemistry lab stock rooms they stacking up reagent bottles.