What is Hefeng grapefruit?

It is a kind of sauce called Hefeng grapefruit sauce.

Hefeng grapefruit is a kind of water jam made of grapefruit, honey and rock sugar. The name is Hefeng grapefruit sauce. Hefeng grapefruit sauce has a certain effect on freckle removal, whitening and skin rejuvenation. And can clear away heat, toxic materials and fire.