NAFDAC said most hair smoothening or straightening products release formaldehyde gas, a known human carcinogen.
The infected persons developed symptoms such as severe vomiting and urine mixed with blood.
The products, worth N1.4 billion, were destroyed at the Anambra Waste Dump in Awka.
The raid followed a month-long surveillance on activities of the processors of fake sachet water and milk products.
“Where agents, with the connivance of importers, engage in the falsification of documents will not be tolerated.”
Mr. Dadingelma said the bottles of sanitiser would soon be destroyed by the agency.
