Oral and dental care and cleaning products for reducing the coloration of teeth

摘要

Oral and dental care and cleaning compositions, containing - based on its weight - a) 0.001 to 5 wt .-% copolymer (s) comprising at least one structural unit of the formula (A1) and at least one structural unit of the formula (A2) wherein R1 represents a (C1 to C18) alkyl group, R2 represents a (C1 to C6) alkyl group, M represents a hydrogen atom or one equivalent of a mono- or polyvalent cation; b) from 0.001 to 5% by weight of polymer (s) from the group of chitosan and chitosan derivatives; c) 1 to 20 wt .-% precipitated silica (s) having a specific surface according to ISO 5794-1, Annex D of ≤ 60 m2 / g.