Hygiene plays a crucial role in determining your personality in the outer world. The best personal hygiene for a person is that he/she should clean their private part properly as they clean their hands. Clean private properly while they take bath because it is the most sensitive part of the body which get infected very easily. Shave it once per two weeks or one.
Secondly, keep your hand clean and wash it properly before eating and after eating food, third is your mouth, oral health, brush your teeth twice use mint chewing gum and Listerine or mouth wash after having food.
Shave underarms regularly.