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Dermatology Science Fair Project

Moisturizer Test

Moisturizer Test | Science Fair Projects | STEM Projects
We're testing five different body lotions to see which one will keep the most moisture from evaporating. We'll measure the amount of water that evaporates from each lotion and compare the results.


The hypothesis is that Vaseline will work the best because it is the most commonly used body lotion.

Method & Materials

You will measure 10ml of water into five baby food jars, spread ½ teaspoon of each lotion on a filter paper, and place the filter paper on top of each jar. You will then measure the amount of water that evaporates from each jar after 12 hours.
You will need a graduated cylinder, six 7-cm diameter qualitative filter papers, five different brand name lotions, a quarter teaspoon measurer, one bottle of rubber cement, and five baby food jars.


The results showed that St. Ives was the best moisturizer, while the control group placed last. This observation stands out because it was unexpected, as Vaseline was the most commonly used body lotion.

Why do this project?

This science project is interesting because it tests the effectiveness of different body lotions, and the results may surprise you!

Also Consider

Variations to consider include testing different amounts of lotion, testing different temperatures, or testing different types of lotion.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!
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