COMPOSITION CONTAINING POWDER, ITS PRODUCTION METHOD AND COSMETIC PRODUCT Russian patent published in 2021 - IPC A61K8/19 A61K8/72 A61Q1/00 A61Q19/00 C08K3/02 C08L101/02 

Abstract RU 2761628 C2

FIELD: cosmetology.

SUBSTANCE: group of inventions relates to a cosmetic product. The cosmetic product contains a solvent containing water, zinc oxide powder, which is present in the solvent and carries a positive charge on a surface, polyelectrolyte, which is a source of ionic polymer, which has an anionic functional group, and salt, which is a source of a polyvalent ion, which carries a positive charge, where powder and ionic polymer are electrostatically and/or ionically bound to each other, ionic polymer and polyvalent ion are electrostatically and/or ionically bound to each other, powder forms weak flocculation by means of ionic polymer and polyvalent ion; the powder content is 10-50 wt.%; the polyelectrolyte content is 0.005-0.5 wt. pt. relatively to 1 wt. pt. of powder; the salt content is 0.05-5 wt. pt. relatively to 1 wt. pt. of polyelectrolyte; ionic polymer is a polyacrylate ion and/or hexametaphosphate ion; the polyvalent ion is a magnesium ion and/or calcium ion; and the molecular weight of ionic polymer is 3000-15000. Another option of the cosmetic product and methods for producing a cosmetic product are also disclosed.

EFFECT: group of inventions provides a composition, in which powder is hardly hardened and is easy to disperse.

12 cl, 6 dwg, 3 tbl, 4 ex

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RU 2 761 628 C2

Authors

Nasu, Akio

Satone, Khirosi

Dates

2021-12-13Published

2018-01-19Filed