Wella Pro+ SmoothFiller Demi-Permanent Smoothing Treatment 6.76 oz.

Wella Pro+ SmoothFiller is a salon-exclusive, demi-permanent smoothing treatment designed to smooth, fill, and restructure the hair—giving clients frizz control and easier styling without permanently altering their natural texture.

What It Does

• Smooths + fills the hair fiber for a more polished look
• Reduces frizz and humidity sensitivity
• Leaves hair softer, shinier, and more manageable
• Makes blow-drying and styling faster and easier

Key Benefits

• Lasts up to 3 months with no harsh grow-out line
• Maintains natural texture (not a heavy straightening treatment)
• Humidity resistance = huge for frizz-prone clients
• No downtime — clients can wash hair right after service
• Vegan, minimal formula (only ~8 ingredients)

Who It’s Best For

• Clients with:
  • Frizz-prone or humidity-reactive hair
  • Coarse or unruly texture
  • Blow-dry struggles / styling time issues
• Great alternative to:
  • Heavy keratin treatments
  • Permanent smoothing/relaxers

How It Works (Pro Breakdown)

• Applied on shampooed, towel-dried hair
• Processes ~20 minutes, then rinsed
• Blow-dry + heat activation (flat iron) to seal results

The technology works by filling and restructuring the hair fiber, not breaking bonds—so you get smoothness without fully straightening the hair.