"Grail products" refers to highly sought-after or idealized items that someone desires or considers to be the ultimate or best version of that product. Full definition
One redditor praised Fit Me as being «EVERYTHING» in their list of holy grail products for people of color. (businessinsider.com)
Charcoal is a holy grail product for beauty lovers with oily skin, thanks to its absorbing properties, and this product steps it up a notch by including both black and white charcoal in one ultra-detoxifying mask. (health.com)
Ok, gals that pretty much rounds up my Holy grail products of 2017! (livinglifepretty.com)