2 fl oz Ritual Pour about ¼ teaspoon—or less or more depending on your mane real estate—into your hand and add a little water. Rub between your palms to get it foaming, then massage into your scalp. Rinse, and condition with a Fat and the Moon conditioner. Shelf Life Lasts 6 months. Store in a cool and dry place. Our products are organic and freshly made-to-order products. We do not use toxins that make things last forever.