What’s the first sign a relationship is getting kinda serious? You keep a toothbrush at their place.

To promote Colgate Keep - a sustainable toothbrush with replaceable brush heads - we dropped the ultimate romantic gesture: a limited edition Keep for the one you want to keep.

On Valentine’s Day, Colgate helped influencers across Europe pop the question: will you brush with me forever?

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 Illustrator: Júlio Dolbeth