CORE-SHELL STRUCTURE, PREPARATION, DRUG FOR EXTERNAL APPLICATION, TAPE-SHAPED AGENT AND COSMETIC PRODUCT Russian patent published in 2021 - IPC A61K47/26 A61K47/14 A61K47/18 A61K8/37 A61K8/42 A61K9/06 A61Q19/00 

FIELD: cosmetology.

SUBSTANCE: invention relates to a cosmetic product. A tape-shaped product for transdermal absorption of an active ingredient contains a layer of base material and a pressure-sensitive adhesive layer, where the adhesive layer contains a core-shell structure and acrylic pressure-sensitive adhesive, wherein the core-shell structure contains a solid core containing the active ingredient and a shell containing a surfactant with HLB value from 4 to 14 formed by binding alcohol to fatty acid via a complex ester bond or an amide bond, alcohol has molecular weight in the range from 70 g/mol to 200 g/mol, the surfactant contains a saturated hydrocarbon group having from 7 to 11 carbon atoms, or an unsaturated hydrocarbon group having from 7 to 11 carbon atoms, and the surfactant includes at least one substance selected from a group consisting of complex sorbitan esters and fatty acids, complex glycerin esters and fatty acids, complex propylene glycol esters and fatty acids and fatty acid alkanolamides.

EFFECT: invention provides an excellent immediate effect with transdermal absorption of the active ingredient.

4 cl, 7 dwg, 7 tbl, 35 ex