A dentifrice composition comprising two or more colored phases in contact with one another in which the colorant species are deposited onto silica particles before incorporation into the composition

摘要

A dentifrice composition comprising at least two distinct differently colored phases in contact with one another in which at least one of the phases contains, as a migration resistant colorant, silica particles onto the surface of which colorant species have been deposited prior to the incorporation of the particles into the composition.