Pineapple (Ananas comosus) skin and Dusol (Kaempferia galanga Linn.) Rhizome
As Antibacterial Organic Soap

A Science Investigatory Project

Presented by:
Romi Necq S. Abuel

Bansud National High School
Regional Science High School for Region IV -MIMAROPA
Pag-asa, Bansud, Oriental Mindoro

Abstract

Many soaps in the market offer different kinds of benefits such as whitening the skin, treating various skin problems and removing bacteria from skin. But some may still produce bad results and some can be too expensive to purchase. But there are other options that can be made to have healthy skin. Pineapple is an abundant tropical fruit commonly found in humid and hot regions. Citric and malic acids are found in good
Full form potential of hydrogen

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CHAPTER II
REVIEW OF RELATED LITERATURE AND STUDY

Related Literature

Soap
Soap is a natural cleansing agent produced by the reaction of an alkali, such as sodium hydroxide with fat or vegetable oil. Soap classifications include toilet soap, which is manufactured as a cleansing agent for the body, and soaps for household use such as bars, flakes and granules.
Soap has been used for millennia. Mesopotamia clay tablets dating from the 3D millennium BC contain a soap recipe calling for a mixture of potash and oil. The first authentic reference to soap as a cleansing agent as well as a medicinal product appears in the writings of Galen, the 2D- Century AD Greek physician. The ancient Romans spread their knowledge of soapmaking, and in the middle ages important centers of soapmaking developed in Spain, France and England.

A soap-like material found in clay cylinders during the excavation of ancient Babylon is evidence that soap-making was known as early as 2800 B.C. Inscriptions on the cylinders say that fats were boiled with ashes, which is a method of making soap, but do not refer to the purpose of the "soap." Such materials were later