I used liquid diamond,about 18 years ago but it didn't look the same as the product featured in the link.The Simonize Lquid Diamond i used was in a blue bottle,and it smelt very strongly of solvent,in fact it smelt exactly like petrol,and i would get headaches arter using it,but i do remember that it realey darkened paint a lot.Must be the company just using the old name for a new product :nixweiss