33.8 oz (1 Liter). Seaweed Conditioner What it is: A lightweight detangler made with marine seaweed and spirulina. What it does: This conditioner gently detangles, nourishes, softens, and helps to manage freshly washed hair. What it is formulated WITHOUT: - Parabens What else you need to know: Made with marine greens for practically anyone (and ideal for frequent bathers), this conditioner is best paired with Seaweed Shampoo. It's also safe for use on color-treated hair.