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Diseases Science Fair Project

Acne Medication and Bacteria

Acne Medication and Bacteria | Science Fair Projects | STEM Projects
Acne is caused by bacteria that lives on our skin and feeds on sebum. This project will test if three different acne medications can inhibit the growth of this bacteria.


The hypothesis is that acne medications effectively inhibit the growth of bacteria that causes acne.

Method & Materials

You will prepare Petri dishes with agar, mix acne medications with water, mix bacteria with water, swab the Petri dishes with the bacteria, and place filter paper discs with the medications in the center of the Petri dishes.
You will need Petri dishes, a swab, water, filter paper, test tubes, a measuring cylinder, a pippette, Tetracycline, Clindamycin, Benzoyl peroxide, a beaker of water, P. acne bacteria culture, a forcep, a digital weighing scale, and a marker pen.


The results showed that all three anti-acne medications were able to inhibit the growth of the P. acne, with Tetracycline resulting in the largest inhibition zone.

Why do this project?

This science project is interesting because it tests the effectiveness of different acne medications on the bacteria that causes acne.

Also Consider

Variations of this project could include testing different types of acne medications, such as Erythromycin, Azelaic acid, and Oregano oil. Another variation could be testing the effectiveness of the medications at varying ambient temperature and humidity conditions.

Full project details

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

Related videos

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