What is it ? February 15, 2019 11:35 Q²M Bathe+ is the world’s first pH neutral shampoo containing SiO₂ making it really hydrophobic booster for your vehicle. Related articles How to use it ? Where to apply ? Will Q²M Bathe+ will damage/alter my paint work or coating ? How to store the product after use? What is the shelf life once opened? What is it?