When it comes to expressing "magic formula," there are several synonymous phrases to choose from. These terms all represent a secret or special combination that produces a desired result. For example, one might use a "secret formula," "miracle remedy," "divine ingredient," "powerful elixir," or "mystical potion." They all allude to something mysterious or enchanting, and they all suggest that the outcome is guaranteed to exceed expectations. Each of these associations are what lend these phrases their potency and intrigue, making them ideal for marketing and advertising campaigns or for inspiring a sense of wonder and fascination in others.