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Wash your hands regularly. Your fingernails should be free of dirt and trimmed evenly. Do not bite your fingernails, or chew on your cuticles—you'll look nervous and neurotic. With extremely rare (and often accidental) exception, walking out of the house with bed head never looks good. Wash and brush your hair on a regular basis. If you have the time and inclination, consider using a paste or gel to style your hair, but follow the "less is more" rule with styling products, and don't use too much. Many people, perhaps unfairly, associate bad skin with bad hygiene. Wash your face thoroughly, especially after any physical activity. Avoid razor burn if at all possible. If you're prone to acne or other skin conditions, see a dermatologist to help you get your skin in shape. Do this every day—it's an invigorating way to start the day, and looking clean and smelling good doesn't hurt in the perception department, either! . Eating healthy will help with many things such as keeping a good weight, avoiding cavities, having a good complexion, and being energetic. Getting eight hours or more of sleep every night will do wonders for your complexion, energy and overall appearance. Looking handsome goes beyond your style. Exercising regularly not only helps with your appearance, confidence, and energy, but releases endorphins that make you feel good, and therefore more appealing to others.
Keep hands and fingernails clean and neat. Take time to comb and style your hair. Care for your skin. Take showers.  Eat healthy Sleep well. Exercise regularly.