The Indola Blonde Expert Ultra Cool Booster is the additive for anyone who wants to achieve an extra cool blonde shade while bleaching – without copper or yellow tones. Specially developed for use with Indola Lightener 9+ (white or blue), this booster works directly on natural hair colors from level 3 to 7, to neutralize unwanted warm undertones during the lightening process.

Why you will want to use this booster:
For a cleaner, brighter and cooler blonde result, even on hair colors that are difficult to lift, such as dark blonde or light brown. Thanks to the vegan formula and powerful effect, this is the ultimate tool for professional, controlled lightening with minimal correction afterwards.

Key features:

• Additive for intensive cool neutralization

• Suitable for natural base colors from level 3 to 7

• Neutralizes warmth during bleaching

• Can be used with Indola Lightener 9+ (white or blue)

• For a bright, cool and even blonde result

• Vegan formula

• Contents: 60ml

Usage:
Mixing ratio: 1:10:20

• 1 part Ultra Cool Booster

• 10 parts Indola Lightener 9+

• 20 parts Indola Cream Developer (2%, 6% or 9%)

1. Apply to dry, unwashed hair

2. Processing time: 20 to 50 minutes, depending on the desired result

3. No heat required – visually monitor during the process

4. Rinse thoroughly and follow with a nourishing aftertreatment

Result:
A bright, cool and clean blonde result with minimal warmth – ideal as a base for pastel colors, toners or as an end color. No extra correction step required.