(19)

(11)

EP 3 559 611 A1

(12)

(43) Date of publication: 30.10.2019 Bulletin 2019/44 (21) Application number: 17816823.3 (22) Date of filing: 15.12.2017

(51) International Patent Classification (IPC):  G01F 11/22(2006.01) G01F 11/24(2006.01) G01F 11/20(2006.01) (86) International application number: PCT/EP2017/083076 (87) International publication number: WO 2018/114697 (28.06.2018 Gazette 2018/26)

(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: MA MD TN (30) Priority: 20.12.2016 FR 1662831 (71) Applicant: L'Oreal 75008 Paris (FR)	(72) Inventor: BAUDELOT, Camille 92110 Clichy (FR) (74) Representative: Nony  11 rue Saint-Georges 75009 Paris 75009 Paris (FR)