The three basic ingredients of a typical soap are water, oil and an alkaline solution commonly referred to as lye. Oils that are used can be derived from vegetable or non-vegetable sources. Vegetable sources include rice... More »

In Colonial times, soap was made by boiling lye, slowly dissolving animal fat in it and then cooking the ingredients for long hours. Soap requires both a fatty acid and an alkali, which is a chemical that neutralizes aci... More »

Safer soaps can be made by using natural ingredients, such as glycerin, wax and oils, in recipes that do not include lye (caustic soda). Lye is the soap ingredient that is the harshest on skin and eyes as well as the mos... More » Science Environmental Science

To make goat's milk soap, combine goat's milk, lye, olive oil, coconut oil, castor oil, rice bran oil, shea butter and sweet almond oil. Other required supplies include a large mixing bowl, a medium mixing bowl, silicone... More »

To make soap, measure the lye, water and oils according to weight. Pour the water into a glass bowl, and pour the lye into the water. Stir the lye and water combination with a non-reactive spoon. Melt the desired oils in... More » Beauty & Fashion Hygiene Soap & Body Wash

Castille soap is made of a naturally derived vegetable oil (no animal fat or synthetic materials), cold water, and lye crystals. Olive oil is traditionally used, but others like to experiment with their own mixtures of n... More »

To make bar soap, make a lye solution, measure out the oils, and blend the oils with the lye water. Add essential oils and fragrances, pour the solution into a mold, allow the soap to cure, and slice the hardened soap in... More » Beauty & Fashion Hygiene Soap & Body Wash