How to trim nose hairs what is the role of nose hairs

1, trimming nose hairs can be used to trim eyebrow scissors, the volume is relatively small, can enter the nostrils, the excess nose hairs cut off. Cut when the light to be sufficient, be careful not to hurt the nose, pay attention to scissors should also be clean, can not scissors with bacteria directly into the nasal cavity.

2, the role of the nose hair is to block the dust in the air and some small insects and so on, but also to the nose to do thermal insulation, do not let the cold air directly sucked into the trachea, so that the olfactory nerve is not damaged, so the nose hair is still very necessary.