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In recent weeks, TikTok has been flooded with videos of people adding beef tallow or beef fat to their skincare routines in the hope that it will improve the health of their skin. Kimberley Medd, Head of Clinic at Face The Future, has revealed whether this trend actually works. "TikTok may have cottoned onto beef tallow, a type of rendered fat primarily from cows, but it has been traditionally used in skincare for centuries, particularly in cultures that value natural, animal-derived ingredients,"