Ethique Solid Shampoo Bar In Mintasy Just one bar of Ethique Solid Shampoo Bar In Mintasy ($16) is the equivalent of three (count 'em!) bottles of shampoo, meaning that switching from your regular shampoo to this will save about a liter of water. Image Source: amazon.com Ethique Solid Shampoo Bar In Mintasy $16 from amazon.com Buy Now