Non-medical use of a composition containing one type or two types selected from lavender oil and eucalyptus oil, and an alkylene oxide derivative represented by the general formula (I): R1O - [(AO) m (EO) n ] -R2 (I) in which, AO represents an oxyalkylene group having 3 to 4 carbon atoms； EO represents an oxyethylene group； m and n independently represent an average number of moles of the oxyalkylene group having 3 to 4 carbon atoms added and the oxyethylene group added, respectively, and satisfy the expressions: 1 <；= m <；= 70 and 1 <；= n <；= 70, in which a ratio of the oxyethylene group to a total of the oxyalkylene group and the oxyethylene group is 20 to 80% by mass: the oxyalkylene group and the oxyethylene group may be added in block form or randomly: and R1 and R2 may be the same or different, and represent a hydrocarbon group having 1 to 4 carbon atoms or a hydrogen atom, in which the ratio of number of hydrogen atoms to number of hydrocarbon groups of R1 and R2 is 0.15 or less, as an expression promoting agent for a clock gene in the skin to improve skin moisture or flexibility, the prevention or improvement of wrinkled skin, and the prevention or improvement of rough skin.Uso no médico de una composición que contiene un tipo o dos tipos seleccionados entre aceite de lavanda y aceite de eucalipto, y un derivado de óxido de alquileno representado por la fórmula general (I): R1O-[(AO)m(EO)n]-R2 (I) en la que, AO representa un grupo oxialquileno que tiene de 3 a 4 átomos de carbono； EO representa un grupo oxietileno； m y n representan independientemente un número promedio de moles del grupo oxialquileno que tiene de 3 a 4 átomos de carbono añadidos y el grupo oxietileno añadido, respectivamente, y satisfacen las expresiones: 1 <；= m <；= 70 y 1 <；= n <；= 70, en las que una relación del grupo oxietileno a un total del grupo oxialquileno y el grupo oxietileno es del 20 al 80 % en masa: el grupo oxialquileno y el grupo oxietileno pueden añadirse en
