Wella Koleston Perfect 55/0 Intense Light Brown/Natural is part of the Pure Naturals Intense series, designed to deliver a more saturated, longer-lasting version of classic light brown (5/0).

What it is

• Shade: 55/0 (Intense Light Brown / Natural)
• Type: Permanent creme hair color (2 oz)
• Tone family: Neutral with enhanced pigment load
• Level: Light brown with added depth and richness

Key features

• Up to 100% gray coverage with dense, even results
• ME+ dye technology → helps reduce risk of developing new dye allergies
• Metal Purifier technology → helps protect hair from damage caused by metal buildup
• True-to-tone, natural-looking results with rich shine and depth
• More saturated color payoff vs standard 5/0 for longer-lasting results

How pros use 55/0

This is your “boosted light brown”:

• Stronger gray coverage than 5/0
• Creating richer, deeper light brown tones
• Ideal for coarse or resistant hair
• Enhancing formulas when you want more longevity + pigment density

Formulation basics

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

Pro insight

55/0 is essentially 5/0 turned up:

• Same natural tone, but stronger pigment concentration
• Better grip on stubborn gray hair
• Gives a richer, more dimensional light brown vs softer 5/0

Quick shade comparison

• 4/0 → medium brown (deeper)
• 5/0 → standard light brown (soft + natural)
• 55/0 → intense light brown (richer + more saturated)
• 6/0 → dark blonde / lightest brown