To be used with Alzoo re-usable 16 oz Aluminum bottle. 1 powder stick makes 16 oz shampoo. Eliminate Single Use Plastic Bottles. No shipping water, reducing Carbon footprint and cost across the supply chain. Infinite use aluminum bottle, use over & over. Sulfate Free. Dye Free. Paraben Free. Soap Free Vanilla Scent Gently cleanses and moisturizes. Revives dry skin. Brightens & adds Shine. pH Balanced. Display of 20 stick pouches (40 g each) Powder format more sustainable than tabs requiring high power.