PROBLEM TO BE SOLVED: To provide a coating method for keratin fiber having excellent duration, in particular under an action of heat and capable of providing excellent elongating effect on eyelashes.SOLUTION: It is prepared a cosmetic composition applied to eyelashes in order to obtain elongated effect on eyelashes. The cosmetic composition is heated to the temperature of 40°C or more before application of it, simultaneously with or subsequent to application of it. The composition comprising at least one compound or mixture of compounds which provides the composition with 5 mm or more stringiness dmax by heating the compounds to the temperature of 40°C or more.COPYRIGHT: (C)2014,JPO&INPIT【課題】特に熱の作用下での、および良好な持続時間を有する、良好なまつげの延長効果を可能にするケラチン繊維をコーティングする方法を提供する。【解決手段】まつげ延長効果を得るための、まつげ塗布用化粧品組成物であって、その塗布の前に、塗布と同時にまたは塗布に続いて、40℃以上の温度にされる化粧品組成物において、この組成物を40℃以上の温度にすると前記組成物に5mm以上の糸引き性dmaxを与える少なくとも1つの化合物または化合物の混合物を含有する組成物を調製する。【選択図】図1