Mucilage is a thick, slimy substance that is sticky and gooey. It is often found in plants and helps to retain moisture and provide protection. Full definition
Water enables the transport of mucilage in between the hair fibers where the slimy consistency makes the strands slippery. (mommypotamus.com)
But its real value comes from the presence of mucilage in the bark, which soothes and coats all mucus membranes, including the digestive tract. (mindbodygreen.com)
Like slippery elm, it contains a high mucilage content. (mindbodygreen.com)