"Toothbrush" is a song by American band DNCE from their debut EP Swaay (2015) and debut studio album DNCE. It serves as the record's second single and impacted American contemporary hit radio on May 17, 2016 through Republic Records. The song was written by DNCE member Joe Jonas alongside Ilya Salmanzadeh, James Alan Ghaleb, and Rickard Göransson and was produced by Ilya.

An accompanying music video for "Toothbrush" was directed by Luke Monaghan and premiered May 17, 2016. Featuring model Ashley Graham as Jonas' love interest, the video has received praise for presenting a body-positive image.

^*sales figures based on certification alone
^{^}shipments figures based on certification alone
sales+streaming figures based on certification alone

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