Hadith.2055 - The Messenger of Allah (swt) (peace and blessings be upon him and his family), when presented with perfume on the day of Eid al-Fitr, would begin by applying it to his tongue.
Man Lā Yaḥḍuruh al-Faqīh #514"Indeed, completing the fast includes giving Zakat, meaning Zakat al-Fitr, just as sending blessings upon the Prophet (peace and blessings...
Al-Kāfi #651“If the Messenger of Allah (sw) would receive any perfumes on the day of al-Fitr, he would first present it to his wives.“