32 oz When permanent hair color needs more than standard lift, 30 Volume is the next step. Matrix Universal Developer 30 Volume provides the additional lift needed for lightening within color services, without committing to the maximum lift of 40 Volume or the aggressive processing that bleach requires. Professional Benefits 30 volume developer for controlled lift beyond what 20 Volume provides Enables 1 to 2 levels of lightening within permanent hair color services Stabilized formula for predictable, consistent lift across all hair types Suitable for highlights, light-lift services, and services where level change is the intent Compatible with Matrix SoColor permanent hair color formulas How to Use Mix with Matrix SoColor in the recommended 1:1 ratio Apply to dry hair section by section with a tint brush Monitor lift at regular intervals during processing Rinse when the target lift level is achieved Follow with a bond or protein treatment after every lightening service Pro Tip: 30 Volume is for lift, not for gray coverage. If the goal is coverage alone, 20 Volume delivers better results with less damage. Reserve 30 Volume for services where intentional level change is part of the formula.