Yes, demanding on what your nasal desires are and your anatomy a “non surgical rhinoplasty” can be performed.
The non surgical improvements is usually limited to filler injections for contour balance to disguise the nasal hump and fill small depressions and irregularities.
However the vast majority of nasal improvements requires a surgical rhinoplasty procedure.
Please make a appointment with a board certified Plastic Surgeon who can perform a complete exam and discuss the best option for you.