וְרָא֤וּ בְנֵֽי־יִשְׂרָאֵל֙ אֶת־פְּנֵ֣י מֹשֶׁ֔ה כִּ֣י קָרַ֔ן ע֖וֹר פְּנֵ֣י מֹשֶׁ֑ה וְהֵשִׁ֨יב מֹשֶׁ֤ה אֶת־הַמַּסְוֶה֙ עַל־פָּנָ֔יו עַד־בֹּא֖וֹ לְדַבֵּ֥ר אִתּֽוֹ׃ (ס)
And the children of Israel saw the face of Moses, that the skin of Moses’face sent forth beams; and Moses put the veil back upon his face, until he went in to speak with Him.
Read kabbalistic (mystical) interpretation of Exodus 34:35: and classical mystical sources.