Every business needs a promise. An Irresistible promise sets you apart from the competition and makes people pay attention and get attract towards you. It also avoids your business to be perceived as a commodity.
An irresistible promise has an emotional connection.
Disney: Happiest place on earth
To craft an irresistible promise list all the problems you solve, 3 core values of your business and avoide common place words like health, organic, fair price.