Infused with biotin for hair strengthening and growth promotion, our purple conditioner bars also feature almond oil for deep nourishment, leaving your hair glossy and healthy | The purple shampoo bar improves hair color and reduces brassiness in blonde, gray, or highlighted hair | Mission; Helping reduce plastic waste and reducing carbon footprint while offering our customers as many natural and sustainable products as possible | Length of Use; Equal to 2 to 3 16 ounce bottles of conditioner depending on usage and hair thickness and length; Allow the bar to fully dry between uses to extend the life of the bar