Gtechniq Crystal Serum Light (CSL) is the prosumer version of the world famous Crystal Serum Ultra ceramic coating, which is only available to Gtechniq accredited detailers.

CSL offers 9H hardness and 80% of Ultra's performance, yet can be removed with machine polishing if installed incorrectly.

When it comes to adding gloss, resisting swirl marks, and repelling dirt and contaminants, Gtechniq Crystal Serum Ultra and Crystal Serum Light are the pinnacle of paint protection.