The best replacement for brush is comb.

The best alternatives to brush are rated as following:
★★★★★  comb
★★★  roller
★★★  brushless
★★  floss first
★★  brushless motor
★★  sponge
★  brushless generator
★  floss
★  spray painting
★  comb hair
★  spray
★  spray kitchen cabinets
★  spray paint
★  brushless generators
★  beauty blender
★  brushless rc motor
★  spray paint furniture
  bush
  clarisonic
  olathe
  mouthwash first
  induction motor
  comb mens hair
  benedictine
  comb wet hair
  roll cabinets
  conair hot air brush
  ionic brush
  roller to paint a door
  fingers for foundation
  olay brush
  sponge to apply foundation
  clone stamp
  airbrush
  comb which is better
  sponge for foundation
  spray cabinets
  hard brush
  vent brush
  paint roller
  brass
  foundation brush
  sponge brush

Your alternative for brush is not listed? Suggest!
Speaking about brush, one probably shouldn't forget about streaks.

Other search terms related to brush and their ratings are:
★★★★★ streaks
★★ brush
★ wildlife
You have in mind a companion for brush and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of brush in all years. Click on graph for more.
brush
comb
roller