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The Gtechniq Crystal Serum Light Kit pairs CSL, a 9H ceramic base coat, with EXO, a hydrophobic top coat. Gtechniq rates CSL at roughly 3 to 5 years and EXO at 18 to 24 months, with the combination lasting 4 to 7 years with proper care. CSL resists chemicals from pH 2 to pH 12, and EXO adds slickness and water beading that CSL alone lacks. It suits confident DIY detailers who want a long-lasting coating without paying a professional, and owners rate it above CQuartz on durability and water repellency.
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Lowest price we've seen: $96.84 on Nov 11 at Amazon. Tracked across 5 stores since Nov 11.
Owners call it the best self-install ceramic coating they have used. They praise easy application and removal, strong durability and water repellency that matches or beats CQuartz. Complaints center on the work involved: good lighting and many towels are needed.
This kit combines two Gtechniq paint protection products: Crystal Serum Light (CSL) and EXO. It adds gloss, depth and protection to paint.
CSL is a 9H ceramic coating that resists chemicals from pH 2 to pH 12. With proper care, it lasts around 3 to 5 years.
EXO is applied in a single layer. It can go over CSL or be used on its own, and it lasts 18 to 24 months. Together, the two products have an estimated combined durability of 4 to 7 years.
