As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2108. FWD LAV SMOKE MESSAGE POPPED UP DURING DESCENT PHASE OF FLIGHT. ONE OF PASSENGER USED PERFUME, HAIRSPRAY PRODUCT PRODUCT. THERE WAS NO VISUAL EVIDENCE OF FIRE IN LAV. REMOVED FROM SERVICE. PERFORM LAV SMOKE DETECTOR SYSTEM TEST IAW AMM 26-14-01-700-801-A. NO DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.