Should I use fixatives for pastel drawings and which works best?

One of the dilemmas of pastel paintings is that they're very dusty and smudge very easily. You would think that the solution is simple

Workable Fixative

Use Fixative? Perhaps. Felicity House's Take On The Subject

Which Pastel Paper should you choose?

Should Pastel Artists Use Fixative? I Have the Answer in This Fixative Showdown!

Tutorial: Using Fixatives on Your Artwork

Artists' Fixative and How to Spray a Drawing

Should I use fixatives for pastel drawings and which works best?

Fixative or No Fixative with Pastels - Blog

First soft pastel. I feel I ruined it with fixative. : r/Softpastel

Tips For Drawing and Painting With Pastels

The Fix is In Pastel Pointers

Fixative spray for coloured pencils. Is it safe?

Draw like a pro with the best oil pastel techniques - Gathered

Degas and Pastels: Part II - The Experiment StationThe Experiment Station

Oil Pastels - An Amazing Medium for Painters - Nancy Reyner