️ Best possible swirl mark and chemical resistance from a prosumer grade product. ️ Provides paint protection with previously un-achievable levels of gloss, durability, scratch and chemical resistance. ️ Compared to standard ceramic coatings, Crystal Serum forms a relatively thick combined film which greatly reduces surface hazing and improves gloss. ️ Considered the thickest, most durable true ceramic coating in the industry. A coating so hard that if applied incorrectly can only be removed by using 1,500 grit sand paper. ️ When applied correctly it can last for up to 5 years. Crystal Serum Light is the pro-sumer version of the world famous Gtechniq accredited detailer Crystal Serum - a coating so hard that if applied incorrectly can only be removed by using 1,500 grit sand paper. Crystal Serum Light offers 80% of professional serum’s performance, but if applied incorrectly can be machine polished from your vehicle’s paintwork. When it comes to adding gloss, resisting swirls, contaminant and dirt repellency, Gtechniq Crystal Serum and Crystal Serum Light are the pinnacle in paint protection.