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Comparative Question: Which moisturizes best: soap made with Cocoa butter or soap made with Shea butter?

Hypothesis: If a person uses Shea butter soap then their hands will be more moisturized than someone who used Cocoa butter soap.

Recipe 15: Gather all ingredients; water, lye, cocoa butter, cocoa powder, peppermint oil, olive oil, and coconut oil. Mix lye and water; mix cocoa butter, olive oil, and coconut oil by melting solids. Allow both to cool to same temperature. Mix lye mixture with oil mixture until smooth. Add 3/4 of the mixture to molds. In the remaining 1/4, add cocoa powder and peppermint. Swirl in molds to create design in soap.

soap_leslie_1.jpg
soap_leslie_2.jpg
before adding the cocoa


Recipe 17: Gather all ingredients; water, lye, Shea butter, pumpkin, olive oil, and coconut oil. Mix lye and water; mix coconut oil, olive oil, and Shea butter by melting solids. Allow both to cool to same temperature. Mix lye mixture with oil mixture until smooth. Add pumpkin and mix until smooth. Pour soap mixture into molds.

Recipe 18 : Gather all ingredients; water, lye, She butter, olive oil, and coconut oil. Mix lye and water; mix coconut oil, olive oil, and Shea butter by melting solids. Allow both to cool to same temperature. Mix lye mixture with oil mixture until smooth. Pour into molds.

Testing Method: Three classes were chosen; one for the control, one for the Shea, and one for the Cocoa. Each day each group would wash their hands with their designated soap. Pictures were taken each day and compared to the pictures of the control group.

Results: Soap made with the Shea butter moisturized the subjects hands better than the soap with Cocoa butter. These results were based on the 'look' of the subjects hands. (cracks, smooth, etc)

What we would do differently: We would have chosen a different testing method.