Meguiar's Gold Class Leather Conditioner Until now I had put on the products of other manufacturers (Sonax, Amorall). Meguiar's Gold Class Leather Conditioner is here in my opinion the strongest product. The Meguiar's Gold Class Leather Conditioner load process very well. I would like to emphasize that it can be super polish / draw and no residues remain. When comparing a treated and an untreated seat you can see the difference clearly. The leather looks fresh and supple. The freshness in appearance and feel in my opinion is even more pronounced than in the Sonax product that I have used previously. I would recommend this product to 100% and will buy it again.