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US 12,539,262 B2Granted
Method for treating freshly bleached hair, composition and use thereof
AssigneeWella Germany GmbH
InventorsManfred Schmitt, Petra Braun, Rebecca Knobloch
Life of this patent
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Abstract
The present invention relates to a method for treating freshly bleached hair, a composition and use thereof.
Claims19
A method for treating hair comprising the steps of:
- bleaching hair, wherein the hair is bleached 48 h or less before applying a hair colouring composition;
- applying the hair colouring composition onto hair, wherein the hair colouring composition has a pH from 7.0 to 8.0, and comprises a buffering system;
- leaving the hair colouring composition for 10 minutes or less on hair, wherein the composition has a pH which over development time on hair drops by at least 0.20 unit to the range from 6.8 to 7.2;
- and
- rinsing out the hair colouring composition.
2 more elements
Dependencies are inferred from the claim text.