Best Long Lasting Filler for nose curved at tip?

Artefill is a permanent filler that can be used on the nose for a non-surgical nose job.  Radiesse would be my second choice as it can last up to 18 months.  You will need a skin test if you have Artefill done.  Make sure you go to an experienced injector for this procedure ESPECIALLY if you use Artefill.

There are many different injectable fillers that can be used around the nose. Keep in mind that all of these are used "off-label" to achieve these results. In some cases, injections in a nose that has already been operated on may not be safe. Also, fillers may not be able to safely correct a deviated nasal tip, but do work quite well to improve contour irregularities of the bridge of the nose.
I recommend hyaluronic acid-based products because they are reversible in the event of any problem. Radiesse is a good product, but I don't like it in the nose because it cannot be reversed once injected. There are some doctors who use permanent fillers in the nose, but this is not something I recommend due to the risk of potential problems with infection, dissatisfaction with results, and severely limiting any future surgical procedures. Otherwise, all filler injections are temporary and the duration of the results will vary depending on the product that is used and the patient's individual metabolism. Several products are capable of delivering results that last 18 months or more, but again, this varies.
Be sure to see an expert physician injector who is experienced with surgical rhinoplasty and non-surgical nose job procedures.
All the best,

A non surgical nose job can be a great procedure to fill in minor defects or irregularities of the nose. However,  they do not necessarily replace or help achieve the goals that most people want when seeking a rhinoplasty to change the appearance of their nose.  Restylane and/or Juvederm are great temporary filler products which can be injected into the nose as an in-office procedure with no downtime to the patient.  This is a very advanced technique and you and your physician should discuss in detail to see if you are in fact a candidate for the procedure.   

However you wont find many surgeons using it any more. As for the semi-permanent fillers, artisense and Radiesse, there are reported issues around inflammation which have caused conservative and conscientious surgeons to worry. However they have the attraction of lasting longer than the more 'natural' Hyaluronidase acid fillers like Restylane and Juvederm. So what is the best approach? Most surgeons are comfortable starting with a temporary filler and procrastinating while we wait for an longer acting but complication free product to arrive.

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Radiesse is currently the longest lasting resorbable filler used in the nose. All fillers are used on an off label FDA indication. Permanent fillers are available. However, I would strongly encourage you to start with a temporary filler first to see if you like the results.