PROBLEM TO BE SOLVED: To provide a deodorant composition that has excellent deodorizing performance with respect to aldehydes, and to provide a deodorizing product such as a house building material and an air cleaning filter which contains the deodorant composition and also shows excellent deodorizing performance, the deodorant composition further enabling the deodorizing product to show the maximum deodorizing effect without deteriorating quality and work efficiency of the deodorizing product upon manufacturing it.SOLUTION: The deodorant composition has excellent deodorizing performance with respect to aldehydes by causing the carrier of silicon dioxide or crystalline layer phosphate compound, etc., to carry diglycolamine.