1. This product is a non-toxic product, slightly faint scent taste.2. Having two functions of lubricating and cleaning. Easy to operate3. Having a good effect when lubricating handpiece and easily lubricate handpiece inner parts4. Having reasonable stickiness. And make sure that the handpiece is lubricated properly and has great power.5.  Standard conical nozzle, which is ore convenient to lubricate the handpiece.