Wella Koleston Perfect 33/0 Intense Dark Brown/Natural is part of the Pure Naturals Intense series, designed to deliver extra depth and stronger pigment saturation compared to standard natural shades like 3/0.
What it is
Shade: 33/0 (Intense Dark Brown / Natural)
Type: Permanent creme hair color (2 oz)
Tone family: Neutral with enhanced intensity
Level: Dark brown with boosted 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 metal-induced damage
Richer, more saturated color payoff vs standard naturals (like 3/0)
Long-lasting, fade-resistant results with high shine and depth
How pros use 33/0
This is your “deeper brunette booster”:
For strong gray coverage when standard naturals feel too sheer
Creating extra-rich, dense dark brown results
Lowlighting or adding depth to medium/light brunettes
Enhancing formulas when you want more saturation and longevity
Formulation basics
Mixing ratio: 1:1 with Welloxon developer
Developer choice:
10 Vol → deposit + maximum depth
20 Vol → gray coverage + slight lift
Lift: Minimal (primarily deposit-focused shade)
Pro insight
33/0 is essentially 3/0 turned up:
Same neutral tone family, but stronger pigment load
Better for resistant gray hair or stubborn coverage
Gives a richer, more dimensional finish vs flat dark brown
Quick shade comparison
2/0 → darkest brown (almost black)
3/0 → standard dark brown
33/0 → intense dark brown (deeper + more saturated)
