Does dijon mustard have any dairy products?

No, Dijon mustard does not contain any dairy products.

Dijon mustard is traditionally made with mustard seeds, vinegar, wine, salt, and spices. Some variations may include additional ingredients like garlic, herbs, or other spices, but dairy is not a common ingredient.

However, it's always a good idea to check the ingredient list of specific brands, as some manufacturers may add dairy-based ingredients like whey or casein to their mustard.