Some nasal hairs can be trimmed with scissors if they are too long and affect the appearance of the nose, but it is not recommended to trim them so short that the nose loses its protective barrier. It is important to note that the nose can be trimmed with scissors, but it is not recommended to use tweezers to remove nasal hairs, which can easily lead to follicular infection in the nasal vestibule if not handled properly. In some serious cases, this can lead to septicemia, which requires antibiotic treatment. Usually, you can use salt water or sea water to rinse the nasal cavity, which has a certain cleansing effect. The nasal hairs grow in the nasal vestibule of the nostrils, and they play a key role in cleaning the nasal cavity by blocking the larger dust particles in the air when breathing.