You can refrigerate your jar to make it firm up, just know that when there is warm weather or it is sitting in a hot shower, it will soften.
Use a few times a week to exfoliate and refresh the skin.
Every skin type is different and this may be too harsh as a facial exfoliant, you can determine this for yourself but will definitely be great everywhere else.
Recipe by Scratch Mommy at https://scratchmommy.com/diy-coconut-coffee-sugar-scrub/