If you purchase a quality set of brushes they can really last you for years and years with the proper care. And great brushes make a HUGE difference to the application of makeup!
So, what brushes are necessities??? Depends on what type of makeup you use.
FACE BRUSHES:
CONCEALER BRUSH: For liquid foundation, BB Cream and Cream Foundation
PUFF BRUSH: For Mineral Concealer and Pressed Powder
ANGLED BRUSH: Perfect for Bronzers and Blushers
FOUNDATION BRUSH: Great for applying foundation in the small areas (under eyes, around the nose)
EYE BRUSHES:
DELUXE EYE BRUSH: Great all over tool for eye shadow
LINER/SHADER BRUSH: Double duty! Use one side to apply liquid liner, use the other for precision application of shadow
CREASE BRUSH Use this tool to apply shadow to the crease of your eyelid
CREAM BRUSH: Makes perfect applicator for cream eyeshadow