The present invention relates to a photoprotection assembly of keratin materials against a single radiation in the range above 280 nm covering uv-a and uv-b, comprising at least two separate, separately conditioned compositions, said assembly comprising at least at least one compound (x), at least one compound (y), and at least one hydrophobic filter system comprising (i) at least one hydrophobic organic sunscreen (a) capable of absorbing radiation 13v at 320 to 400 nm and at least at least one hydrophobic organic sunscreen (b) capable of absorbing radiation 13v from 280 to 320 nm, and optionally a mineral filter (d)； (iii) at least one hydrophobic organic sunscreen (c) capable of simultaneously absorbing UV radiation from 280 to 320 nm and 320 to 400 nm, and optionally a mineral filter (d)； or (iii) at least one hydrophobic organic sunscreen (a) capable of absorbing 13v radiation of 320 to 400 nm and at least one hydrophobic organic sunscreen (c) capable of simultaneously absorbing 13v radiation of 280 to 320 nm and 320 at 400 nm, is a mineral filter (d)； at least one of said compounds (x) and (y) being siliconized.a presente invenção se refere a um conjunto de fotoproteção dos materiais queratínicos contra uma radiação uni na gama acima de 280 nm que cobre o uv-a e o uv-b, compreendendo pelo menos duas composições diferentes condicionadas separadamente, o referido conjunto que compreende pelo menos um composto (x), pelo menos um composto (y), e pelo menos um sistema filtrante hidrófobo que compreende (i) pelo menos um filtro solar orgânico hidrófobo (a) capaz de absorver as radiações 13v de 320 a 400 nm e pelo menos um filtro solar orgânico hidrófobo (b) capaz de absorver as radiações 13v de 280 a 320 nm, e eventualmente um filtro mineral (d)； (iii) pelo menos um filtro solar orgânico hidrófobo (c) capaz de absorver simultaneamente as radiações uv de 280 a 320 nm e 320 a 400 nm, e eventualmente um filtro mineral (d)； ou (iii) pelo menos um filtro solar orgânico hi
