Sonett Calendula Dishwashing Liquid is a very economical concentrated liquid for manual dish washing, unaffected by water hardness and obtained using extracts from Calendula blossoms. Add 1 dash (approx. 3 ml per 5 L of water) to the dishwashing water or apply straight onto the dishwashing sponge. Also comes in Lemon scent. Sonett is one of the pioneers of ecological laundry detergents and cleaners. All of our raw materials are completely biodegradable and free of allergens. They are without any enzymes, petrochemical surfactants, fragrances, dyestuffs, preservatives, contain no bleaching agents, and neither genetic engineering nor nanotechnology has been used. The oils used for our soaps, and all of our essential oils, originate 100% from controlled organic cultivation.