What are the key ingredients in Powder? Erica Halliwell November 10, 2019 17:38 Updated Follow The main powdered materials are vegetal and mineral: Zea Mays (corn) starch, Tapioca starch, Kaolin (clay), and Silica. Related articles Does Powder contain Talc? Does Powder build up on hair? New Wash Ingredient List Powder Ingredient List Who is Powder best for? Comments 0 comments Please sign in to leave a comment.