Image credit: BruSlick Auto Detailing via Flickr, "Image 1" link.

Gtechniq Ceramic Coating Products Review: Gtechniq Crystal Serum Light & Gtechniq C2 v3 Ceramic Sealant

As a detailer, I’ve come to appreciate the true value of a quality ceramic coating. It’s all about protecting its paintwork from the harsh elements and ensuring it maintains its integrity for a prolonged period of time, hopefully at least 18-24 months. 

With so many products on the market, finding one that lives up to its claims can be difficult. Gtechniq, however, has earned a solid reputation for innovation and performance. 

In this review, I’ll explore two of their standout products: the Gtechniq Crystal Serum Light and Gtechniq C2 v3 Ceramic Sealant. From their unique features to their application techniques, I’ll explain why these products are worth considering for any detailing enthusiast.

But First, What’s the Importance of Ceramic Coating/Sealing?

Ceramic sealing isn’t just a luxury—it’s an essential step for anyone serious about vehicle maintenance. 

What’s the Importance of Ceramic coating

Image credit: BruSlick Auto Detailing via Flickr, "Image 2" link.

A ceramic coating creates a robust, invisible shield that:

  • Protects Against Environmental Damage: From UV rays to acid rain, ceramic coatings act as a barrier to preserve your paintwork.
  • Repels Dirt and Contaminants: Thanks to advanced hydrophobic properties, your vehicle stays cleaner for longer.
  • Enhances Longevity: By preventing oxidation, swirl marks, and minor abrasions, ceramic coatings extend the life of your paint job.
  • Adds Gloss: A high-quality ceramic sealant brings out the depth and clarity of your vehicle’s colour, elevating its appearance.

The importance of ceramic coating lies in its ability to ensure that your car looks immaculate while staying well-protected. 

We talk more about this in this blog about Why Ceramic Coating Is Essential.

Gtechniq Crystal Serum Light - Ceramic Coating

Gtechniq Crystal Serum Light - Ceramic Coating

Product Overview

  • Sizes Available: 30ml, 50ml
  • Durability: Up to 5 years
  • Key Features:
    • Swirl and chemical resistance
    • Exceptional gloss
    • Long-lasting durability

Crystal Serum Light (CSL) is a well-respected ceramic coating designed for those seeking professional-grade performance without the complexity of accredited-only applications. One of its most compelling selling points is its 5-year durability. 

It offers 80% of the protection provided by its sibling product, Crystal Serum Ultra, and can be machine-polished off if applied incorrectly—making it a forgiving yet robust option.

Application Process

To achieve optimal results, follow these steps carefully:

  1. Preparation:
    • Wash and thoroughly decontaminate your car’s paintwork.
    • Polish the surface to remove imperfections and ensure a smooth base.
    • Wipe each panel with Gtechniq Panel Wipe to remove any remaining residues.
  2. Application:
    • Ensure the vehicle is indoors and the temperature is between 5°C and 25°C.
    • Shake the CSL bottle well and apply 3 full measures onto a microfibre applicator pad.
    • Work in 60 cm x 60 cm sections, using overlapping strokes to ensure even coverage.
    • Buff off the residue with a cloth within one minute. Use a second cloth to ensure no high spots remain.
  3. Curing:

Performance Highlights

Crystal Serum Light excels in:

  • Hydrophobic Properties: Water beads and sheets off effortlessly, reducing the risk of water spots.
  • Gloss: Provides a noticeable enhancement to your vehicle’s finish.
  • Durability: With proper care, the coating can last up to 5 years, offering exceptional value for money.

Pro Tips

  • Apply indoors or avoid direct sunlight during application.
  • Do not apply to plastic trims or rubber surfaces.
  • Store the bottle in a cool, dry place and use within 3 months of opening.

Gtechniq C2 v3 Ceramic Sealant

Gtechniq C2 Liquid Crystal

Product Overview

  • Durability: Up to 6 months
  • Key Features:
    • Easy and fast application
    • UV and dirt protection
    • Extreme hydrophobicity

Gtechniq C2 Liquid Crystal is a versatile, user-friendly ceramic sealant that delivers instant protection and shine. 

Whether used as a standalone product or as a maintenance top-up for existing ceramic coatings, C2 is a must-have in any detailing kit.

Application Process

  1. Preparation:
    • Ensure the vehicle is clean and dry before application.
    • Avoid working in direct sunlight and wear gloves.
  2. Application:
    • Shake the bottle well before use.
    • Spray C2 directly onto a microfibre cloth and apply it to one panel at a time.
    • Buff with a second clean cloth for a streak-free finish.
  3. Layering:
    • For increased gloss and durability, layer the product by repeating the application process.
  4. Alternative Use:
    • Use C2 as a drying aid by spraying it onto a wet surface and drying with a microfibre towel.

Performance Highlights

C2 v3 stands out for its:

  • Ease of Use: The spray-on, buff-off process makes it accessible for beginners and professionals alike.
  • Hydrophobic Properties: Creates a slick surface that repels water, dirt, and grime.
  • Versatility: Compatible with various surfaces, including paint, glass, and trim.

Pro Tips

  • Store the bottle in a cool, dry place and use within 12 months of opening.
  • Layer for enhanced protection and shine.
  • Incorporate into your regular maintenance routine to extend the life of your primary coating.

If you're interested to learn about Gtechniq's top products, you find more here.

Coating vs. Sealant: What's the Difference?

Ceramic coatings, like Gtechniq’s Crystal Serum Light, offer long-lasting, durable protection by bonding with the paint, while sealants like C2 v3 provide shorter-term protection and are easier to apply. 

Coatings protect against scratches, UV damage, and contaminants, while sealants focus more on enhancing the shine and water-repellent properties. 

Coatings are a more permanent solution, and sealants are ideal for maintenance or quick application.

Comparing the Two Products

On the r/AutoDetailing subreddit, Gtechniq coatings are praised for their durability and excellent finish. Users mention that while the product delivers impressive protection and gloss. Many appreciate the lasting results, especially for higher-end vehicles.

Here’s a comparison between the two products. 


Feature

Crystal Serum Light

C2 v3 Ceramic Sealant

Durability

Up to 5 years

Up to 6 months

Application Difficulty

Moderate (requires careful prep)

Easy (spray-on, buff-off)

Hydrophobic Properties

Excellent

Excellent

Gloss Enhancement

High

Moderate

Best For

Long-term protection

Quick, versatile maintenance


Final Thoughts

Gtechniq’s Crystal Serum Light and C2 Ceramic Sealant serve different purposes within the detailing community. 

Crystal Serum Light offers long-term protection and a high gloss finish, making it a solid choice for those seeking durability. 

C2 Ceramic Sealant, on the other hand, is all about simplicity and versatility, ideal for regular maintenance or standalone use. 

Both products maintain Gtechniq’s reputation for quality and innovation, delivering reliable results for paint protection. Whether you need something durable or convenient, these coatings get the job done.

Gtechniq Ceramic Products FAQs

Q: How long does ceramic coating last?

A: The protective ceramic layer endures for 5 years on average. Keep in mind that several elements determine how long your coating actually lasts - including the initial coating's grade, how well it was initially installed, and perhaps the single biggest factor: your ongoing maintenance and care routine.

Q: What is Gtechniq ceramic coating?

A: Gtechniq ceramic coatings are advanced protective solutions designed to shield your vehicle’s paintwork from environmental damage, UV rays, and contaminants. They form a durable, glossy layer that enhances the appearance and longevity of your vehicle’s finish.

Q: How to apply Gtechniq ceramic coating?

A: For Crystal Serum Light, prepare the vehicle by washing, decontaminating, and polishing the paintwork. Apply CSL in small sections using a microfibre applicator and buff off residue with a clean microfibre cloth. Allow the coating to cure for 12 hours indoors. 

For C2 v3 Ceramic Sealant, clean and dry the vehicle, spray the product onto a microfibre cloth, apply it to the surface, and buff with a second cloth.

Q: Is Gtechniq ceramic coating good?

A: Yes, Gtechniq ceramic coatings are highly regarded for their performance and durability. Crystal Serum Light provides professional-grade protection, while C2 v3 offers convenience and versatility. 

Both products deliver exceptional gloss, hydrophobicity, and resistance to contaminants.

Q: How to maintain Gtechniq ceramic coating?

A: To keep your ceramic coating in top shape, wash your car regularly with a pH-neutral shampoo to avoid damaging the coating. Apply C2 Ceramic Sealant every so often to boost the water-repelling effect and maintain the shine. 

Stay away from harsh chemicals or abrasive brushes that could harm the coating. When drying, use a microfiber towel to prevent water spots and keep your car looking clean and protected.

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Tahmid Rashid

Tahmid Rashid

Tahmid Rashid (the one in the middle) is one of the three owners of CA Detailing, alongside his trusted cousin-brothers. A long-time car enthusiast, Tahmid founded Carbon Accents, a car styling store, in 2019. His passion for cars and maintaining his own BMW 1 Series (F20 M135i) led him to dive into the world of detailing.

With over eight years of experience developing products in another industry, Tahmid noticed that customers across the UK were often purchasing low-quality car detailing products. Driven to make a difference, he co-founded CA Detailing in 2021. His goal is to provide high-quality products at reasonable prices and to share his knowledge so that customers can make the most informed decisions when buying detailing products.

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