You can now refill your Salt of the Earth Peony Blossom hand wash with this clever concentrate refill. Simply fill your empty existing Salt of the Earth foaming hand wash bottle with 50% concentrate (there\'s a helpful marker on the label) and the rest with tap water. 500ml of concentrate makes 1 litre of finished hand wash 75% less plastic compared to x4 hand wash bottles. Certified COSMOS Natural - 100% Natural Ingredients Quick to rinse, so you use less water Preservative free PH balanced Approved by the Vegetarian and Vegan Societies