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The Mystery of Moisturizer

CSEF · 2015 Product Science (Biological) (Junior Division Only)

Margaret "Maggie" E. O'Rourke · Holy Cross School, Santa Cruz, Santa Cruz County

Overview

Objectives/Goals The objective was to determine which moisturizing product or lotion worked best to keep human skin moist. Methods/Materials The hypothesis of this experiment was the Humectant was going to moisturize the best because of the mineral oil and personal use. The hypothesis of this experiment was proven to be incorrect. Results The hypothesis of this experiment was proven to be incorrect. In conclusion, the Occlusive agent moisturized the best. The Occlusive agent was the petroleum jelly. A Conclusions/Discussion Even though my testing results showed my original hypothesis was incorrect, I learned much about how lotions and products keep skin moist. If one things could be changed this experiment, I wouldn't use petroleum jelly as the occlusive agent because it was hard to spread it. The petroleum jelly had to double boil it on the stove in order to spread it thoroughly.

Summary statement

Testing which moisturizing products and/or lotions work best on human skin.

Help received

Chris Donohoe, my teachers at Holy Cross School, and my parents

Competition history

  • CSEF 2015 Product Science (Biological) (Junior Division Only) · Entry J1914

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