Could smoking discolor a person's invisalign?

Absolutely : If you smoke while having the Invisalign trays on,they well discolor ,and your teeth too when you smoke without the trays.

Yes, of course: While smoking in general is to be avoided and is not good for your health, smoking with Invisalign aligners can lead to deep stain discoloration of the aligners. Take this opportunity to quit smoking saving your invisalign and health.

Absolutely: And smoking can also stain your teeth, finger tips, lips, cause cancer of lungs, throat, lips, cheeks, vocal chords, cause damage to lungs, heart, kidneys, cause premature aging if your facial skin, shorten your life, cause bad breath, and lead to a slow and agonizing death. Now would be a wonderful time to quit.