Is mandi wajib (full ritual bath) required before entering the state of ihram?

Mandi wajib before entering ihram is a Sunnah mu'akkadah (emphasized sunnah practice) according to the consensus of the four schools of jurisprudence, but it is not an obligation (wajib) or condition (shart) for the validity of ihram. This means that if a jamaah haji enters ihram without performing mandi wajib — whether due to lack of water, time constraints, or any other reason — their ihram is completely valid and no penalty (fidyah or dam) is required. Sheikh Ibn Uthaymeen explicitly stated that performing wudhu alone is sufficient if mandi wajib is not possible.

The Sunnah basis for mandi wajib before ihram comes from multiple narrations. Nabi (shallallahu alaihi wa sallam) performed mandi wajib before entering ihram at Dhul-Hulayfah, and he instructed Asma bint Umays, who had just given birth, to perform mandi wajib and then enter ihram, demonstrating that mandi wajib before ihram is sunnah even for women in a state of post-natal bleeding (nifas). Similarly, Nabi instructed Aisha when she began menstruating to perform mandi wajib and enter ihram for Haji, showing that this mandi wajib is for cleanliness and the Sunnah of ihram, not for ritual purity.

Scholars note that if water is unavailable, tayammum (dry ablution) does not substitute for the mandi wajib of ihram, because this mandi wajib is a Sunnah for cleanliness rather than a required act of purification. The jamaah haji should simply enter ihram without it. Ibn Baz confirmed that the ihram is valid with or without the mandi wajib, and the jamaah haji loses only the extra reward of following this particular Sunnah.