base breaker cool 19 copy57G Choose from 2 different shades 19 Cool, for the softest result on natural and pre lightened hair, or 86 Extra Cool, for more control on natural hair and intensity control on pre lightened hair. A soft ash tone ideal for natural hair 6 0 to 8 0 and to neutralize yellow tones. Lightens natural hair while gently toning previously lightened hair. Base Breakout is a service that lightens natural hair in between or on the same day as a highlight or