Sunan Abi Dawud Book 35, Hadith 22
The Prophet (ﷺ) said: The angels do not come near three: the dead body of the unbeliever, one who smears himself with khaluq, and the one who is sexually defiled except that he performs ablution.
The Messenger of Allah (ﷺ) forbade men to use saffron. Isma'il version has: "(forbade) man to use saffron."
When the Prophet of Allah (ﷺ) conquered Makkah. The people of Makkah began to bring their boys and he would invoke a blessing on them and rub their heads. I was brought, but as I had been perfumed with khaluq, he did not touch me because of the khaluq.