“THE CRISP LEAVES OF HOLLY, MISTLETOE, AND IVY REFLECTED BACK THE LIGHT, AS IF SO MANY LITTLE MIRRORS HAD BEEN SCATTERED THERE.” As Charles Dickens wrote in “A Christmas Carol”. And light is indeed a crucial factor for Limpha to be effective. Sunlight activates the self cleaning properties, decomposing and neutralising pollutants deposited on the tiles so that they can be washed away with rainwater. Hedera Arborea is used in cosmetics for its dermo cosmetic and purifying properties. What Hedera Arborea does to the skin, Limpha tiles do to the air.