Unscrew & remove the spray pump of Your L'Interdit Eau De Parfum 3.3 oz. bottle.; Insert the nozzle of the Refill into a 3.3 oz. L'Interdit Eau De Parfum bottle, then twist to the ON position.; The refill will stop automatically once complete. Twist the refill to the OFF position and remove it from the bottle.; Screw the spray pump back onto L'Interdit Eau De Parfum 3.4 oz. bottle.; Top Notes: Orange Blossom; Middle Notes: Jasmine, Tuberose; Bottom Notes: Vetiver, Patchouli