How to do ghusl from janaabah .

How does one do ghusl (full ablution) to cleans oneself of janaabah (impurity following sexual activity)?

Praise be to Allaah.

There are two kinds of ghusl
from janaabah – sufficient and complete.

Sufficient ghusl means that you rinse your mouth
and nose, then you wash your entire body with water, even if that means
plunging yourself into deep water in one go. Complete ghusl means washing
your private parts and anywhere else that is contaminated with traces
of impurity, then you do full wudoo’, then you pour water over your
head three times, making sure that it reaches the roots of the hair.
Then you wash the right side of the body then the left side