| Factor | Effect | |--------|--------| | (>20 vol / 6% $H_2O_2$) | Exponential radical burst | | Heat (from scalp, friction, or exothermic reaction) | Doubles reaction rate per +10°C | | Metal catalysts (tap water, old pipes, hair styling tools) | Uncontrolled radical propagation | | Porous substrates (bleached/damaged hair) | Capillary wicking extends bleach front |
The Zoom kit typically comes with the Whitening Gel and the Activator as separate components. They must be mixed chair-side. Proper mixing is essential; an incomplete mixture results in uneven whitening and "zebra striping" on the enamel. activator zoom bleaching
The Zoom system is famous for its LED accelerator light. The Activator is designed to work in perfect synergy with this light source. | Factor | Effect | |--------|--------| | (>20