• One size heatless, less-mess, reusable Castor Oil Hair Wrap. Designed by a naturopathic doctor, the Hair Wrap is made with an inner 100% organic cotton layer, an outer less-mess layer of polypropylene, and wooden buttons to easily adjust the fit. • The Castor Oil Hair Wrap paired with Castor Oil (sold separately) feels like a nourishing, hydrating hot oil treatment, but without adding any heat. Bring the spa self-care experience home and support silky, soft hair without all the chemicals! • Good for all hair types. Can be used with long, short, average, thin, or thick hair. One size fits most head shapes and hair types. • Castor Oil (sold separately) is thought to support circulation to hair follicles, supporting thickness, shine and texture, and helps moisturize and hydrate the scalp.