To prevent dust from intruding between cylinders for constituting an outer shell cylinder when the outer shell cylinder is not used while left in a contracted condition.

This head lamp cleaner 1 is provided with the outer shell cylinder 2 engaged slidably each other with the plural cylinders 3, 7, 10 to be telescopically slid, a nozzle arranging part 31 having an injection nozzle 49 for injecting a washing liquid provided in a tip part of the outer shell cylinder, a spring member 30 arranged in an inner part of the outer shell cylinder to contract the outer shell cylinder by contraction force, and a dust cover 52 provided in a tip part of the outermost cylinder 3 out of the plural cylinders and approaching to or contacting with an outer circumferential face 41 of the nozzle arranging part when contracted. The spring member is extended by liqid pressure of the washing liquid supplied into the outer shell cylinder to extend the outer shell cylinder, and the washing liquid is injected from the injection nozzle, in the lamp cleaner 1.