Summary "Composition and Process for Cosmetic Treatment" The present invention therefore relates to a composition comprising, in a cosmetically acceptable medium: (a) an aqueous phase and (b) at least the silica airgel particles hydrophobic and； (c) at least one alcohol of formula (i) below and its optical isomers: r1 represents an oh or a group ch2oh； R2 represents a hydrogen atom or a group -oh； R3 represents a hydrogen atom or a straight or branched saturated or unsaturated C1 -C5 alkyl group； r4 represents a hydrogen atom, a group -oh, a group -ch2oh, a group -ch (oh) ch3, a group -c (ch3) 2-oh, a group - (o-ch2-ch2) n-oh a group - (ch2-o-ch (ch3)) m-oh or a group - (ch2-ch2) p-oh； n indicates an integer ranging from 1 to 10； m indicates an integer ranging from 1 to 10； p indicates an integer ranging from 1 to 5； provided that at least one of the radicals r1, r2, r3 and r4 comprises at least one hydroxyl function； R5 represents a hydrogen atom or a linear or branched saturated or unsaturated C1 -C5 alkyl group and (d) at least one deodorant active agent other than said alcohol of formula (I) and / or at least one antiperspirant active agent ； said hydrophobic silica airgel particles are dispersed in the aqueous phase. The present invention relates to a process for the cosmetic treatment of a keratin material for the treatment of body perspiration-associated body odors, in particular axillary odors and, optionally, for the treatment of human perspiration, which consists in applying, for the surface of said keratin material to be treated of at least one composition as defined above.resumo “composição e processo para o tratamento cosmético” a presente invenção, por conseguinte, se refere a uma composição que compreende, em um meio cosmeticamente aceitável: (a) uma fase aquosa e (b) pelo menos, as partículas de aerogel de sílica hidrofóbica e； (c) pelo menos, um álcool de fórmula (i) abaixo e os seus isômeros óticos: r1 representa um oh ou um grupo ch2oh； r2 represe
