A class action lawsuit claims that a popular chip brand is falsely advertising its product.

The lawsuit claims that Campbell’s falsely advertises that their Cape Cod potato chips contain no artificial colors, flavors, or preservatives, according to Top Class Actions.

The lawsuit was filed by plaintiff Rozaliya Ripa on Oct. 23 in the New York federal court.

The lawsuit claims that Campbell’s misleads customers by labeling its Cape Cod Kettle Cooked Potato Chips as containing “No Artificial Colors, Flavors or Preservatives,” even though the products actually contain synthetic citric acid, according to the complaint.

The U.S. Department of Agriculture has noted that natural citric acid is “no longer commercially available,” making synthetic citric acid the only option for packaged foods.

In the lawsuit, Ripa claims that she and other consumers were misled by Campbell’s advertising and would not have purchased the chips if they had known the reality behind the ingredients, according to Top Class Actions.

She argues that the synthetic citric acid in the chips is produced using industrial chemicals and processes, which contradicts Campbell’s claim of no artificial ingredients.

Ripa is looking to represent anyone in the United States who bought the chips for personal, family or household use, according to Top Class Actions.