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Wax, Sealant & Ceramic

Gtechniq Crystal Serum Ultra

★★★★★ 4.7/5 · 9,703 reviewsby Gtechniq
9.4OUT OF 10
The PolishPit verdict

Gtechniq Crystal Serum Ultra remains one of the most respected professional-grade ceramic coatings on the market, prized for its glass-like hardness, long-term durability, and superior chemical resistance. While the cost and application complexity place it firmly in the professional detailing category, the payoff is a paint protection system that can outlast several years of harsh conditions while maintaining showroom-level gloss.

Key Features

Full Specifications

What we liked

  • Exceptional long-term durability, often exceeding 5 years
  • Extremely hard finish resists swirl marks and light scratches
  • Strong hydrophobic properties make washing easier
  • Deep gloss and reflective clarity on paint
  • Excellent resistance to bird droppings, bug acid, and chemical etching
  • Trusted by professional detailers for high-end and exotic cars

Worth noting

  • Expensive compared to consumer-grade ceramic coatings
  • Professional application strongly recommended due to difficulty of use
  • Long curing time before the vehicle can be exposed to water
  • Not forgiving of application errors like high spots or streaking
  • Limited availability—typically only through certified Gtechniq installers

The Full Review

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