Luke Butler and Liam Cleere of Coláiste Pobal Osraí in Callan exhibited at the BT Young Scientist at the RDS today.
The two students examined the affects of six commonly used acne treatments on spots.
They decided to do this project because their parents had told them how toothpaste and sudocream were great spot treatments, so they decided to test it out, and compare it to creams on the market.
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.