(19)

(11)

EP 4 171 666 A1

(12)

(43) Date of publication: 03.05.2023 Bulletin 2023/18 (21) Application number: 21739887.4 (22) Date of filing: 23.06.2021

(51) International Patent Classification (IPC):  A61L 9/03(2006.01) A61L 9/12(2006.01) (52) Cooperative Patent Classification (CPC): A61L 9/03; A61L 9/12; A61L 2209/111 (86) International application number: PCT/US2021/038637 (87) International publication number: WO 2022/005834 (06.01.2022 Gazette 2022/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 30.06.2020 US 202016917396 26.08.2020 FR 2008716 (71) Applicant: L'OREAL 75008 Paris (FR)	(72) Inventors: MILLER, Zane Bowman Allen Clark, New Jersey 07066 (US) TRUONG, Lily Clark, New Jersey 07066 (US) KEARNEY, Michael Clark, New Jersey 07066 (US) (74) Representative: Casalonga  Casalonga & Partners Bayerstraße 71/73 80335 München 80335 München (DE)