Personal grooming and hygiene involves cleaning and maintaining one's body through regular bathing, oral care, hair care, nail care, and using deodorant. It improves physical and mental health by preventing the spread of germs and disease. Maintaining good hygiene also enhances self-confidence and social success. Key aspects of personal hygiene include regularly washing hands, bathing daily, brushing and flossing teeth twice a day, trimming nails, washing and styling hair, and wearing clean clothes.