Based on product label listings:
Water
Modified corn starch (thickener)
Vegetable oil (rapeseed)
Garlic (about ~1.3%)
Salt
Mustard (water, Mustard seeds, vinegar, spices)
Lemon juice
Rice flour
Emulsifier: E473
Thickener: guar gum
Egg yolk
Preservatives: potassium sorbate, sodium benzoate
Acidifier: citric acid, vinegar
Natural flavouring
Parsley
Sweetener: sucralose