Detergents or cleaning products containing at least one β-hydroxyketone of the general formula (I): ** Formula ** in this formula, independently of each other, R and R8 mean a hydrogen atom or an organic, non-special residue a C1 to C20 alkyl or alkylene group, linear or branched, substituted or unsubstituted, but preferably a methyl moiety, and in which R1 and R2, independently of one another, mean a hydrogen atom or organic moieties, especially an alkyl group or C1 to C20 alkylene, preferably C4 to C20, linear or branched, substituted or unsubstituted, said R1 and R2 together can also form a ring system, especially a substituted or unsubstituted mono- or polycycloalkyl group of C3 to C8 or a substituted or unsubstituted phenyl group, and in which R3, R4, R5, R6 and R7 independently of each other mean hydrogen, a halogen atom, NO2, an alkoxy group of 1 to 15 C atoms, linear or branched , substituted or without substitute or an alkyl group of 1 to 15 C atoms, linear or branched, substituted or unsubstituted, characterized in that said β-hydroxyketone of the general formula (I) when exposed to electromagnetic radiation, especially that having a wavelength between 200 and 400 nm, it releases at least one aromatic aldehyde or an aromatic ketone.Detergentes o productos de limpieza que contienen por lo menos una ß-hidroxicetona de la fórmula general (I):**Fórmula** en esta fórmula, con independencia entre sí, R y R8 significan un átomo de hidrógeno o un resto orgánico, enespecial un grupo alquilo o alquileno de C1 a C20, lineal o ramificado, sustituido o sin sustituir, pero con preferenciaun resto metilo, y en la que R1 y R2, con independencia entre sí significan un átomo de hidrógeno o restos orgánicos, en especial ungrupo alquilo o alquileno de C1 a C20, con preferencia de C4 a C20, lineal o ramificado, sustituido o sin sustituir, dichosrestos R1 y R2 juntos pueden formar también un sistema de anillo, en especial un grupo mono- o policicloalquilosustituido o sin sustit
