“You shall not make this incense, according to its composition, for yourselves: it shall be to you holy for Yahweh.”
Exodus 30:37 (WEB)
Context Reading
35You shall make incense of it, a perfume after the art of the perfumer, seasoned with salt, pure and holy. 36You shall beat some of it very small, and put some of it before the covenant in the Tent of Meeting, where I will meet with you. It shall be to you most holy. 37You shall not make this incense, according to its composition, for yourselves: it shall be to you holy for Yahweh. 38Whoever shall make any like that, to smell of it, he shall be cut off from his people.”