Wella Koleston Perfect 44/0 Intense Medium Brown/Natural is part of the Pure Naturals Intense series, formulated to give deeper, more saturated medium brown results compared to standard 4/0.

What it is

• Shade: 44/0 (Intense Medium Brown / Natural)
• Type: Permanent creme hair color (2 oz)
• Tone family: Neutral with increased pigment density
• Level: Medium brown with enhanced depth and richness

Key features

• Up to 100% gray coverage with strong, even results
• ME+ dye technology → helps reduce risk of developing new dye allergies
• Metal Purifier technology → helps protect hair from metal-related damage during coloring
• Richer, more saturated color payoff vs standard naturals like 4/0
• True-to-tone, high-shine results with balanced depth

How pros use 44/0

This is your “intensified medium brown”:

• For stronger gray coverage when 4/0 feels too soft
• Creating deeper, richer brunette results with more longevity
• Lowlighting or adding depth to lighter browns
• Boosting formulas that need extra saturation and staying power

Formulation basics

• Mixing ratio: 1:1 with Welloxon developer
• Developer choice:
  • 10 Vol → maximum deposit / deeper result
  • 20 Vol → gray coverage + slight lift
• Lift: Minimal (deposit-focused shade)

Pro insight

44/0 is essentially 4/0 with more punch:

• Same neutral base, but heavier pigment load
• Better for resistant gray or coarse hair
• Gives a richer, more dimensional medium brown instead of a softer finish

Quick shade comparison

• 3/0 → dark brown (deeper)
• 4/0 → standard medium brown
• 44/0 → intense medium brown (richer + more saturated)
• 5/0 → lighter, softer brown