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1. WO2020004428 - COSMETIC PROCESS USING MICRONEEDLE SHEET

Publication Number WO/2020/004428
Publication Date 02.01.2020
International Application No. PCT/JP2019/025265
International Filing Date 19.06.2019
IPC
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8
Cosmetics or similar toilet preparations
02
characterised by special physical form
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Q
SPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
19
Preparations for care of the skin
08
Anti-ageing preparations
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8
Cosmetics or similar toilet preparations
18
characterised by the composition
72
containing organic macromolecular compounds
73
Polysaccharides
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8
Cosmetics or similar toilet preparations
18
characterised by the composition
72
containing organic macromolecular compounds
81
obtained by reactions involving only carbon-to-carbon unsaturated bonds
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
37
Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
8
Cosmetics or similar toilet preparations
02
characterised by special physical form
04
Dispersions; Emulsions
06
Emulsions
A61K 8/02 (2006.01)
A61Q 19/08 (2006.01)
A61K 8/73 (2006.01)
A61K 8/81 (2006.01)
A61M 37/00 (2006.01)
A61K 8/06 (2006.01)
CPC
A61K 2800/91
A61K 8/0208
A61M 2037/0046
A61Q 19/08
Applicants
  • L'OREAL [FR/FR]; 14, Rue Royale 75008 Paris, FR (AE, AG, AM, AO, AT, AU, AZ, BA, BB, BE, BF, BG, BH, BJ, BN, BR, BW, BY, BZ, CA, CF, CG, CH, CI, CL, CM, CN, CO, CR, CU, CY, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GT, GW, HN, HR, HU, ID, IE, IL, IN, IR, IS, IT, JO, KE, KG, KH, KM, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MX, MY, MZ, NA, NE, NG, NI, NL, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SI, SK, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW)
  • AGARWAL, Gaurav [IN/JP]; JP (AL)
  • LIU, Shu [CN/JP]; JP (AL)
  • SUN, Yuanyuan [CN/JP]; JP (AL)
Inventors
  • AGARWAL, Gaurav; JP
  • LIU, Shu; JP
  • SUN, Yuanyuan; JP
Agents
  • MURAYAMA, Yasuhiko; 1-9-2, Marunouchi, Chiyoda-ku, Tokyo 1006620, JP
Priority Data
2018-12435029.06.2018JP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) COSMETIC PROCESS USING MICRONEEDLE SHEET
(FR) PROCÉDÉ COSMÉTIQUE UTILISANT UNE FEUILLE À MICRO-AIGUILLES
Abstract
(EN)
The present invention relates to a cosmetic process for a keratin substance such as the skin or the lips, comprising the steps of: applying onto the keratin substance at least one composition in the form of an oil/water (O/W) emulsion; and applying onto the keratin substance, to which the composition has been applied, a microneedle sheet comprising a substrate sheet and a plurality of microneedles on the substrate sheet, wherein the microneedles comprise at least one water-soluble or water-dispersible polymer. According to the present invention, microneedles can penetrate into a keratin substance without being pushed away from the keratin substance, and can rapidly dissolve or disintegrate.
(FR)
La présente invention concerne un procédé cosmétique pour une substance kératinique telle que la peau ou les lèvres, comprenant les étapes consistant à: appliquer sur la substance kératinique au moins une composition sous la forme d'une émulsion huile/eau (H/E); et appliquer sur la substance kératinique, sur laquelle la composition a été appliquée, une feuille de micro-aiguilles comprenant une feuille de substrat et une pluralité de micro-aiguilles sur la feuille de substrat, les micro-aiguilles comprenant au moins un polymère soluble dans l'eau ou dispersible dans l'eau. Selon la présente invention, des micro-aiguilles peuvent pénétrer dans une substance kératinique sans être poussées à l'opposé de la substance kératinique, et peuvent se dissoudre ou se désintégrer rapidement.
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