ok naman, natanggal naman yung water marks. hindi ko lang alam, pero you might want to try DIY muna, pag hindi na talaga kaya try to visit a professional detailer like big berts.
yun nga e.. sachet muna siguro of both, sayang naman pag hindi effective e.. napabayaan kasi yung side and rear windows ng toyota crown ni ermat e.. pag hindi kinaya ng powers ko, pa-detail ko na lang.. hehe.. thanks..