Beach photos also didn't do well, decreasing the chance of a like for both men and women.
The results varied between men and women, especially when it came to the style of smiling, and which direction to look in.
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Data scientists from New York-based dating app, Hinge, analysed their members' photos to reveal which profile pictures get the most likes.
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Anyone with an online dating account will know that choosing the perfect profile picture for your page is a tricky business.
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Many people have preferences when it comes to romantic partners.
Jean-Marie Mc Grath, a spokesperson for Hinge, said: 'Since Hinge profiles are designed to show off our Members' personalities, we want to help them put their best foot forward with their photos.'Now we can tell them which photos they should share and which they should probably keep to themselves.'Hinge has released data on the most successful photo practices.