Summary "Cosmetic Use, Cosmetic Process and Composition" The present invention therefore addresses the cosmetic use of a silicon material which can be obtained by hydrolysis and condensation in the presence of water of at least one tetraalkylsiloxane of formula (I) below. si (or1) 4 (i), and at least one amino trialkylsiloxane of formula (ii) below: r2si (or3) 3 (ii), r1 denotes a straight or branched C1-4 alkyl group； R2 denotes a linear or branched, saturated or unsaturated hydrocarbon group C1 -C6, a cyclic C1 -C5 hydrocarbon group, or means a C6 -C9 aryl or C6 -C9 aryloxy group； and said radicals are substituted with an amino group nh2 or nhr with r denoting a straight or branched C1-4 alkyl group； R3 denotes a straight or branched C1 -C4 alkyl group； wherein said material is different from a molecular imprint polymer. The present invention also relates to a cosmetic process for treating human body odor, in particular axillary odor and optionally human perspiration, which consists in applying to said human keratin materials or composition containing them in a cosmetically environment. acceptable. The present invention also relates to a composition characterized in that it comprises, in a cosmetically acceptable medium, at least said silicon material and at least one different deodorant agent from said silicon material and / or at least one antiperspirant active agent.resumo “uso cosmético, processo cosmético e composição” a presente invenção trata, portanto, do uso cosmético de um material silicioso que pode ser obtido por hidrólise e condensação, na presença de água, de pelo menos um tetraalquilsiloxano de fórmula (i) a seguir: si(or1)4 (i), e de pelo menos um aminoalquil trialquilsiloxano de fórmula (ii) a seguir: r2si(or3)3 (ii), r1 designa um grupo alquila linear ou ramificado com c1-c4； r2 designa um grupo hidrocarbonado linear ou ramificado, saturado ou insaturado c1-c6, um grupo hidrocarbonado cíclico com c3-c5, ou designa um grupo arila com c6-c9 ou aril
