When Moses finished speaking with them he put a veil over his face,

and then whenever Moses would come in the LORD's presence to speak with him, he would remove the veil until he left the LORD's presence. When he went out, he would tell the Israelis what he had been commanded.

The Israelis would see the face of Moses and that the skin of his face shone; then Moses would put the veil back over his face until he went in to speak with God.