Cosmetic kit comprises at least three cosmetic compositions packaged separately, where: a first composition comprises at least one copolymer based silicone resin and silicone fluid at least a second composition and third composition comprise at least one compound X, at least one compound Y1 and at least one catalyst at least one compounds X or Y1 is silicone and the compounds X and Y1 are reacted together by a hydrosilylation reaction when placed in contact with each other in the presence of the catalyst. Cosmetic kit comprises at least three cosmetic compositions packaged separately, where: a first composition comprises at least one copolymer based silicone resin and silicone fluid at least a second composition and third composition comprise at least one compound X, at least one compound Y1 and at least one catalyst at least one compounds X or Y1 is silicon, provided that the compounds X, Y1 and the catalyst are not simultaneously second and third one of the compositions and the compounds X and Y1 are reacted together by a hydrosilylation reaction when placed in contact with each other in the presence of the catalyst. An independent claim is included for cosmetic method comprising applying, on the keratin materials, a first composition comprising at least one copolymer based on silicone resin and silicone fluid to form a first deposit, followed by the application on first deposit obtained via the least one additional composition.Linvention a pour objet un kit cosmétique comprenant au moins trois compositions cosmétiques conditionnées séparément, le kit comprenant :- au moins une première composition comprenant au moins un copolymère à base de résine de silicone et de silicone fluide, et- au moins une deuxième composition et une troisième composition comprenant au moins un composé X, au moins un composé Y, et au moins un catalyseur, au moins un des composés X ou Y étant siliconé,- à la condition que les composés X, Y et le catalyseur ne sont pas simultanément dans u
