Michael O'Rourke Size Matters Big Volume Root Pump is an aerosol spray mousse that creates big volume hair from the root up.

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Michael O'Rourke Size Matters Big Volume Root Pump is an aerosol spray mousse that creates big volume hair from the root up.

  • Michael O'Rourke Size Matters Big Volume Root Pump is an aerosol spray mousse that creates big volume hair from the root up.
  • Aerosol spray mousse that adds texture, volume and control from the root.
  • Use directly at the root prior to blow drying damp hair.
  • Humidity resistant formula so big hair is safe and protected from the environment.