An atraumatic nasal tube for non-invasive respiratory support (NIV-CPAP), having one central tube (5) extending from the nasal bridge, at a distance from the forehead area, to the nasal opening of the patient. The first end of the central tube (5) has an applicator (2) to be fixed to the forehead of the patient for connecting to a hose system coupled to a respiratory machine, and the second end of the central tube (5) comprises nasal connectors (6) protruding in a sickle shape out of the central tube (5) and opening into the nasal opening.