I get asked quite regularly if I use an airbrush to apply makeup. Spoiler Alert: I don't. And this is why:
1. It takes too long to clean between clients.
Hair and makeup for weddings and on set is time sensitive work. Cleaning and sanitizing between clients is absolutely necessary, and adding an airbrush to the mix is a waste of time. The maintenance of the whole contraption is totally not worth it.
2. It's noisy, bulky, and a pain to carry around.
I recognize that many MUA's still use the airbrush, especially for film and television which is great if you get to set up in the same place every day or if you are body painting. I personally hop from venue to venue, and do not do large scale body painting.
3. For all of the effort it takes to work with an airbrush, the makeup doesn't look any different than a traditional application.
After having many of my bridal clients ask me if I use an airbrush to apply makeup, I realized that it is usually because they are confusing the literal airbrush with the tool in Photoshop. If your skin is textured from acne or scarring, airbrushing your foundation is not going to make your skin actually looked airbrushed. I think you should have whatever you want on your wedding day, but explaining that I can't give my brides the flawless airbrushed skin they see online is not an easy task.
My mind was never blown by an airbrush and it didn't make my job any easier. I'm a hands on artist - I like to use sponges, brushes, or my fingers to get the perfect finish. I like to mix product and layer textures, and the airbrush limits my ability to do that. Creating a beautiful, long lasting, natural skin finish that looks amazing in person and photographs beautifully is one of my top priorities. For me, an airbrush just isn't the way to do it.