Simple & easy to use: apply our magnesium spray 4 kids to the soles of feet, and legs or massage into skin to assist relaxation before bed. Two sprays contain approximately 34mg of elemental magnesium. Ingredients: aqua, magnesium chloride hexahydrate, polysorbate, arnica oil, aloe vera. Lucas spray is specially formulated for kids - providing an easy solution to help boost magnesium levels. At a strength that is gentle on their skin and suits their required nutritional intake - regular use will assist with health and well-being, muscle growth, and rest and relaxation. Ideal for children who have trouble nodding off to sleep, and who experience growing pains and/or cramping. Now the perfect size for little hands!