NOVELTY - Composition comprises at least one non-polymeric organic ionic compound (I) and at least one further compound which is a non-ionic organic functional compound, where the net charge of (I) is zero; and the non-ionic organic functional compound is host materials, phosphorescent emitters, fluorescent emitters (all preferred), hole transporting materials, hole injecting materials, electron transporting materials or electron injecting materials.    USE - The composition is useful: in an electronic device, which is: organic light emitting diodes, organic light emitting electrochemical cells, organic solar cells (all preferred), polymer light emitting diodes, organic light emitting transistors, organic light emitting electrochemical transistors, organic field effect transistors, thin film transistors, organic laser diodes (O-laser), organic integrated circuits, radio frequency identification tags, photodetector, sensors, logic circuits, memory elements, capacitor, charge injection layers, Schottky diodes, planarising layers, antistatic films, conducting substrates or patterns, photoconductors, electrophotographic elements, organic solar concentrator, organic spintronic devices or an organic plasmon emitting device; in phototherapeutic treatment of psoriasis, atopic dermatitis, rheumatoid arthritis, jaundice, vitiligo, pain, muscular pain, neurological disorders, seasonal disorders, wounds or skin cancer; in the cosmetic treatment of the skin for irradiating the skin; and in the treatment or prevention of acne, wrinkle formation, skin aging, skin rejuvenation or cellulite (all claimed). No biological data given.    ADVANTAGE - The composition has improved ion mobility, response time and lifetime.    DETAILED DESCRIPTION - Composition comprises at least one non-polymeric organic ionic compound having a structure of formula ((M(m+/-))yx(N)(n-/+)) (I), and at least one further compound which is a non-ionic organic functional compound, where: the net charge of (I) is zero; and the non-ionic organic functional compound is host materials, phosphorescent emitters, fluorescent emitters (all preferred), hole transporting materials, hole injecting materials, electron transporting materials or electron injecting materials.    M = m+ or m-;    N = organic or inorganic counterion being the same or different at each occurrence having the charge n- or n+;    m = greater than or equal to 2; and    n = greater than or equal to 1.    An INDEPENDENT CLAIM is included for a formulation, preferably a solution, dispersion or miniemulsion, comprising the composition or the compound and at least one solvent.