Mayonnaise is a popular dip sauce, and it is mainly used for salad dressing and making other different sauces. Mayonnaise first originated in Spain and was known as “Salsa Mahonesa”. Mayonnaise is high in fats because of the higher quantity of edible oil present in it. It is basically an egg yolk mixture that contains oil and dijon mustard and can also be flavored with lemon juice. Mayonnaise is also known as “mayo.”
And in comparison of salad cream vs. Mayo or Salad dressing vs. Mayo; there is not much difference because of the similar ingredients like oil, egg yolk, and vinegar.

Difference 101