Save my name, email, and website in this browser for the next time I comment. Book Title: Hydrocolloid Applications There are currently no products in this category. Use the "Notify when in stock" option, and we will let you know when the product is in stock again. Castor oil is sourced from the castor bean plant native to tropical areas in Eastern Africa and the Mediterranean Basin. ... https://trueskincareproducts.com/