HeadOn – A June 2006 advertisement for a homeopathic product claimed to relieve headaches.Apply directly to the forehead', stated three times in succession, accompanied by a video of a model using the product without ever directly stating the product's purpose. The ads were successively parodied on sites such as YouTube and rapper Lil Jon even made fun of it.
It was released on the Internet a few days prior to Super Bowl XLV in 2011, and quickly became popular.
It eventually led to a popular viral marketing campaign which had Mustafa responding to various Internet comments in short YouTube videos on Old Spice's YouTube channel.