Wella Koleston Perfect 10/0 Lightest Blonde 2 oz.

Wella Koleston Perfect 10/0 Lightest Blonde/Natural is part of the Pure Naturals family, designed to create clean, balanced, true-to-tone blonde results with natural depth and shine.

What it is

• Shade: 10/0 (Lightest Blonde / Natural)
• Type: Permanent creme hair color (2 oz)
• Tone family: Neutral / Natural (no added warmth or coolness)
• Best for: Clean blonde results, gray coverage, or base color work

Key features

• Up to 100% gray coverage for even, natural-looking results
• ME+ technology → reduces risk of developing new dye allergies
• Metal Purifier technology → helps protect hair from damage caused by metal buildup
• True-to-tone color with balanced shine and natural depth
• Long-lasting, fade-resistant results with professional performance

How pros use 10/0

• As a base blonde shade for natural, neutral results
• For gray coverage clients wanting a soft, non-ashy blonde
• Mixed with tonal shades (like /1 ash or /3 gold) to customize warmth or coolness
• Ideal for clients who want a “real blonde” look vs. icy or golden extremes

Formulation basics

• Mixing ratio: 1:1 with Welloxon developer
• Lift: Up to ~5 levels depending on developer strength
• Works best on level 7+ hair for true lightest blonde results

Pro insight

10/0 is your foundation shade—it’s what you reach for when you want:

• No strong undertone pulling
• Predictable results
• A “clean canvas” to either leave natural or tone afterward