As one of the UK’s leading suppliers of top car care products, we’ve seen how ceramic sealants revolutionise vehicle maintenance. These SiO2-based spray sealants enhance hydrophobicity, gloss, and dirt repellency, serving as a sacrificial layer over ceramic coatings or bare paint to combat UV damage, water spots, and micro-abrasions. Unlike full ceramic coatings, which require intensive preparation, these 'toppers' offer a quick, cost-effective way to maintain a showroom finish, perfect for DIY enthusiasts and professionals alike.
At our store, we’ve extensively tested our products to ensure they meet the demands of the UK’s harsh weather, from rain-soaked roads to gritty urban environments. This guide highlights our top 5 ceramic sealants, selected for their SiO2 potency, ease of use, and real-world durability.

Ceramic toppers are silica-based (SiO₂) sealants, usually applied as sprays or rinse aids to boost existing paint protection such as ceramic coatings, waxes or sealants. They create a thin polysiloxane layer that increases water contact angles (over 110°), giving excellent water beading and self-cleaning properties.
At CA Detailing, we recommend toppers for customers who want to refresh a tired coating or add short-term gloss and protection to an uncoated car. Unlike full ceramic coatings, which chemically bond to the paint to form a long-lasting, nano-structured film, toppers are a temporary solution, typically lasting between one and six months, ideal for regular maintenance and easy upkeep.

Choosing the best ceramic sealant topper comes down to matching the product with your paint protection setup and maintenance style. Whether your car already has a coating or just wax, the right topper enhances gloss, boosts hydrophobicity, and prolongs surface protection. A wrong match, however, can cause streaking or bonding issues.
Here’s what to look for when deciding:
| Topper | Image | Primary Technology | Best For | Durability | Application Ease | Finish Type | Water Behaviour | Why We Recommend It |
|---|---|---|---|---|---|---|---|---|
| Gtechniq C2v3 | ![]() |
SiO₂ Sealant | All-rounder, multi-surface | 3–6 months | High (Spray/Wipe) | Gloss & Clarity | Tight, round beading | Trusted for consistent performance and versatility across paint, glass, and wheels. |
| CarPro Reload | ![]() |
SiO₂ Sealant | Intense hydrophobics | 3–6 months | Medium (Spray/Wipe) | Deep Gloss | Extreme water repellency | Delivers pro-grade gloss and water beading with minimal effort — ideal for coated cars. |
| Gyeon Q²M WetCoat | ![]() |
SiO₂ Rinse-Aid | Ease & Speed | 1–3 months | Very High (Spray/Rinse) | Gloss Boost | Instant sheeting effect | Perfect for maintenance washes — instant results without buffing, ideal for beginners. |
| P&S Bead Maker | ![]() |
Acrylic Polymers | Ultimate slickness & gloss | 2–6 weeks | High (Spray/Wipe) | High Gloss | Tight, fast-beading | Renowned for its buttery smooth feel and deep, show-car gloss finish. |
| Infinity Wax Synergy Boost | ![]() |
High-content SiO₂ | Deep gloss & durability | 4–6 months | High (Spray/Wipe) | Rich Wet Look | Strong, round beading | Balances professional protection with user-friendly application — a great topper for coatings. |
Gtechniq C2v3 and CarPro Reload excel, enhancing gloss and hydrophobicity for 2-6 months. Apply lightly post-wash for best results.
Every 2-3 months for spray-on toppers, or weekly as drying aids for CarPro Reload. Reapply if water pooling replaces sheeting.
No, SiO2-based toppers like Gyeon WetCoat enhance coatings. Avoid wax-based products to maintain hydrophobicity.
Yes, for temporary 1-3 month protection. Prep with a clay bar and consider a base sealant for longevity. Good options include P&S Bead Maker or Infinity Wax Synergy Boost.
Polymer-based toppers like P&S Bead Maker may attract pollen; SiO2-based options like Gyeon WetCoat shed dirt better.
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