Rainbow Colloidal Oatmeal Bath Powder provides soothing relief to itchy, dry and irritated skin. Colloidal Oatmeal is made from finely ground oats which are boiled and the colloidal material is extracted and milled to a fine powder. When added to the bath the powder creates a soothing milky bath, which cleanse and soften the skin naturally. Safe for Babies, Children & Adults. Totally Unscented & Fragrance Free.