The integrals of wudu' :
Wudu' has six integrals. The wudu' is not valid if any of them is left out.
1- The intention: It takes place in the heart. It should also be simultaneous with washing the first part of the face. One says in one’s heart: "I now intend to make wudu' " or the like.
2- Washing the entire face, from the normal hairline to the chin and from one ear to the other.
3- Washing the hands up to and including the elbows. The elbow is the bone where the forearm and upper arm meet.
4- Wet wiping the head or part of it.