With, you can use to lubricate the upper and lower part of the tool, which can reduce the noise of the and extend the service life An ultra-thin anti-rust film can be formed on the surface of the milling cutter Colorless and odorless, high-purity mineral oil will not pollute the hair The trim for head oil is mineral oil, which is a special tool maintenance It will not evaporate, dry or stick when dripping on the trimmer ' s, which is different from engine oil To prolong the service life of the hair, please use the oil on the hair for cleaning