Abu Sa'eed narrated :
from the Prophet regarding Allah's saying: Like Al-Muhl – he said: "Like boiling oil, such that when it is brought close to one's face the skin of his face will fall off into it." (PT)
English reference (PT): Vol. 5, Book 44, Hadith 3322 (PT)
Arabic reference (PT): Book 47, Hadith 3640 (PT)