The most common rudraksha is five mukhi rudraksha. A five mukhi rudraksha have five natural lines from head to bottom. It is blessed by lord shiva. According to padma puran wearer rules out over all types of living beings. This five mukhi is blessed by the five forms of lord shiva -- saddyojat, tatpurush, aghor, vamdev and isshan. It gives protection from all kind of diseases and provide mental peace and happiness.