Castile soap has been used since the early 1500s and was also one of the first natural cleaning products used during that time. Today, many use Castile soap as a natural alternative to many modern cleaning products. This video shares 5 brilliant uses of Castile soap. Castile soap is a type of soap that can be made from vegetable oils or animal fats. This is usually done without the use of harsh chemicals and is naturally hypoallergenic. Castile soap is named after the region of Castile in Spain, where soap making originated. If you have sensitive skin or you prefer organic soap, Castile soap is a good choice for you. Learn more about this brilliant soap and how you can buy pure and natural castile soap in Singapore.