Cosmetic or dermatological composition comprising a merocyanine and a uva screening agent of the amino substituted 2 hydroxybenzophenone type and/or a hydrophilic organic uva screening agent
The present invention relates to a cosmetic or dermatological composition comprising in a physiologically acceptable support: a) at least one oily phase; b) at least one merocyanine compound corresponding to formula (1) below and also the E/E or E/Z geometrical isomer forms thereof in which: R is a C C alkyl group a C C alkenyl group a C C alkynyl group a C C cycloalkyl group or a C C cycloalkenyl group the said groups possibly being interrupted with one or more O and c) at least one UVA screening agent chosen from: (i) an amino substituted 2 hydroxybenzophenone compound; (ii) a hydrophilic organic UVA screening agent and (iii) their mixtures; the said hydrophilic organic UVA screening agent being present in an amount of greater than 0.5% by weight relative to the total weight of the composition. The present invention also relates to a non therapeutic cosmetic process for caring for and/or making up a keratin material comprising the application to the surface of the said keratin material of at least one composition according to the invention as defined above. The invention also relates to a non therapeutic cosmetic process for limiting the darkening of the skin and/or the improving the colour and/or the uniformity of the complexion comprising the application to the surface of the keratin material of at least one composition as defined previously. The invention also relates to a non therapeutic cosmetic process for preventing and/or treating the signs of ageing of a keratin material comprising the application to the surface of the keratin material of at least one composition as defined previously.