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Keune Ultimate Blonde Cool Booster brings natural balance for more intense neutralization. This advanced solution is ideal for tackling warm undertones during hair color lifting. With persulfate stability and enhanced neutralization properties, this formula ensures consistent performance and precise results. The new tube packaging is easier to open and eliminates waste. Simply add 1g of Cool Booster per every 10g of total lightener mixture (decolorizer + developer). No Developer adjustments are necessary.
Cool Booster can be used with Cream Blonde, Magic Blonde, Infinite Blonde and Power Blonde, as well as the 3000 Series and 2000 when incorporating the powder booster.
IMPORTANT: Cool Booster should not be used with Tinta Color, Semi Color Natural or Fashion Shades
Aqua (Water), Propylene Glycol, Decyl Glucoside, Hydroxyethylcellulose, Phenoxyethanol, Hydroxypropyl Methylcellulose, Tetrabromophenol Blue, Ethylhexylglycerin, Ethanolamine, Acid Red 92.