Blue Kaolin Clay is a lightweight cosmetic clay infused with herbal Indigo naturalis, which is an ancient herb known to help relieve skin. Used for Soap Making Supplies, Masks and Bath Bombs, Creams, Mud Wraps, Scrubs and Skin Firming. This clay can be used on normal, dry and sensitive skin. Kaolin is a very mild, lightweight clay that also works as a thickening agent and a natural cosmetic and soap colorant dye, with no discernable scent.