A 69-year-old man from the United States has faced court in Perth, accused of smuggling 4kg of methamphetamine into the country.

Robert Dewey Henson was arrested at Perth Airport on Thursday after customs officers allegedly found the drug concealed in the lining of his bag.

He had arrived on a flight from Singapore.

Officers noticed something suspicious in the lining of the bag and found a white substance which was later revealed as methamphetamine or ice.

Mr Henson made no application for bail in the Perth Magistrates Court today.

He is due to reappear in court next month.

The maximum penalty for the offence is a 25 year jail term.