The ingredients list for Doritos Cool Original includes corn (maize), vegetable oils (corn, sunflower, rapeseed), and a blend of seasonings. The seasoning mix contains milk-based flavorings, including cheese powder and milk protein, as well as garlic powder, onion powder, tomato powder, and various spices. There are also flavor enhancers like monosodium glutamate to amplify the savory taste, as well as acidity regulators and antioxidants to preserve freshness.

In terms of allergens, Doritos Cool Original 5pk contains milk and may also contain traces of wheat, gluten, barley, and soya. Anyone with sensitivities to these ingredients should be cautious.