Whitening works by lifting chromophores out of enamel porosities. Done right, it is gentle. Done wrong, it irritates pulp and leaves white spots.
Questions we’re asked every week
How many shades?+
Average lift is 6–8 Vita shades. We measure with a spectrophotometer, not the eye.
Does it damage enamel?+
Concentrations below 10% hydrogen peroxide used correctly do not. Excess does.