COMPOSITIONS CONTAINING AMMONIUM ALKANOATE ZWITTERIONATE ESTER Russian patent published in 2019 - IPC A61K8/19 A61K8/44 A61Q5/02 A61Q19/10 

FIELD: cosmetology.

SUBSTANCE: invention relates to cosmetic industry and represents a composition for skin or human skin cleansing containing an ammonium alkanoate ester-based zwitterionic surfactant

,

where R₁ is a linear, branched, saturated or unsaturated hydrophobic group from C5 to C21; R₂ is a linear, branched or cyclic alkyl, hydroxyalkyl or aromatic group; R₃ is a linear or branched alkyl, hydroxyalkyl or aromatic group; R₄ is a linear or branched alkyl, hydroxyalkyl or aromatic group; R₅ is a linear or branched alkyl, hydroxyalkyl or aromatic group; and any of R₂, R₄ or R₅ can be connected to a cyclic structure; X is -CO₂^-, -SO₃^- or -SO₄^-; and an additional cosmetically acceptable ingredient, wherein said composition contains less than 0.05 wt% of alkylamidoamine and aminoalkylamine and less than 0.1 wt% of all surfactants other than zwitterionic surfactant based on ammonium alkanoate ester.

EFFECT: invention enables to obtain a composition which shows the desired viscosity, foaming, while maintaining excellent softness of action on skin and eyes.

16 cl, 31 tbl, 62 ex