Six Obligation of Wudhu primarily taken from Qurân in Surah Maidah v. 6
*Washing the limbs once is obligatory. Twice and thrice is Sunnah.
1) Washing the face, rinsing mouth and nose. Limits of face are from the top of the head to the bottom of the chin and from the width between the ears
2)Washing the arms (hands) including the elbows
3)Wiping the head including ears
4)Washing the feet including ankles
5)Following the Order
6)Continuity
[Taken from the lessons on “Conditions, Pillars and Obligation of Salah – Shaykh ul Islaam Muhammad bin Abdil Wahhab رحمه الله Explanation by Shaykh Abdul Muhsin al-Abbaad حفظه الله Taught by: Abdulilah Lahmami]