Why Japanese mayo? Because it is good. Made with extra egg yolks, it is a little richer and a little yellower. No offense to Best Foods / Hellman's. And, Duke, you are still a friend.
Ingredients: Soybean Oil, Egg Yolks, Water, Distilled Vinegar, Salt, Sugar, Mustard Flour, Red Wine Vinegar, Rice Vinegar, Yeast Extract, Natural Flavor