To some extent, this is true because ink is not an edible object. Inadvertently touching the object may have some influence, but it may not have any influence on some packaged objects with skin.

The laser marking you mentioned is actually the mark left by the laser beam after it burns instantly on the surface of goods. It is a non-contact marking form that does not need consumables, so it is environmentally friendly and will not affect food. Can you understand this answer?