This brush is an exceptionally textured stippling brush for large areas of coverage and is helpful when painting bald caps and prosthetics that cover the body. Each brush is completely unique. The brush hairs are sporadic and unevenly dispersed to give you different textures each time it is used on the skin.This helps the stipple motion imprent differently every time to give a better breakdown of skin. Bdellium Tools SFX series brushes are professional, eco-friendly makeup brushes built to handle strong dyes and makeup products and create stunning special effects looks. The bristles and brush adhesives are specially formulated to withstand most solvents and brush cleaning solutions.