Exodus 30:37
You are not to make the incense that you make in this formulation for your own use. It is to be holy to the LORD for you.
Exodus 29:37
You are to make atonement for the altar for seven days and consecrate it. It will be most holy, and whatever touches it will be holy."
Exodus 30:32-33
It is not to be poured out on a person's body, nor are you to make anything like it with similar formulations. It is holy, and it is to be holy to you.
Leviticus 2:3
The remnants from the grain offering is for Aaron and his sons the holiest of the offerings made by fire to the LORD."