To obtain a dentifrice agent for foul breath removal through a process for formulating an ordinary dentifrice agent with medicinal charcoal useful for freshness retention, preservation, deodorization, etc., or activated carbon.

This dentifrice agent for foul breath removal is characterized in that an ordinary dentifrice agent is transferred to a container such as a bowl, etc., formulated with medicinal charcoal or activated carbon at a proper ratio and refrigerated so that components of charcoal are permeated into the dentifrice agent.