A car de-icer is a spray that melts frost and ice on windscreens and windows so you can drive sooner on cold UK mornings.
Prices checked on Amazon UK, 27 October 2026.
A car de-icer is a spray that melts frost and ice on windscreens and windows so you can drive sooner on cold UK mornings. Aerosol cans and trigger bottles are the usual formats; some listings also sell overnight ice preventers. Cold-temperature claims differ by brand, from about -15°C up to -40°C on the packs we compared. This guide sticks to ready-to-use windscreen de-icers with a live Amazon UK buy-box price. Keep a scraper handy for thick ice, and never pour boiling water on glass. We found 8 car de-icers in stock on Amazon UK with a live buy-box price when we checked on 27 October 2026. Our overall pick is the Prestone De-Icer Anti Freeze Spray 600ml at £3.39, the budget pick is the CarPlan De-Icer 300ml Pack of 1 at £2.00, and our pick for a multipack is the Prestone Rapid De-Icer -40°C 6 Pack at £15.99. Prices and stock change often, so check both on Amazon before you buy.
Quick comparison
| Product | Price | Best for | Format | Size | Pack | Cold claim (listing) | Brand line |
|---|---|---|---|---|---|---|---|
| Prestone De-Icer Anti Freeze Spray 600ml | £3.39 | Overall brand + -40C | Aerosol | 600ml | 1 | -40C (listing) | Prestone |
| CarPlan De-Icer 300ml Pack of 1 | £2.00 | Lowest price | Aerosol | 300ml | 1 | -15°C | Blue Star |
| Prestone Rapid De-Icer -40°C 6 Pack | £15.99 | 6-pack -40°C | Spray | – | 6 | -40°C | Prestone Rapid |
| Bluecol De-Icer Trigger 500ml | £3.00 | Trigger -36°C | Trigger | 500ml | 1 | -36°C | Bluecol Sub-Zero |
| CarPlan Blue Star Aerosol 600ml | £4.00 | 600ml daily can | Aerosol | 600ml | 1 | -15°C | Blue Star |
| CarPlan Demon Ice Preventer 1 Litre | £4.95 | Overnight preventer | Ready-to-use liquid | 1 litre | 1 | -20°C | Demon Ice |
| CarPlan Blue Star Aerosol 600ml 6 Pack | £13.48 | 6×600ml stock-up | Aerosol | 600ml | 6 | -15°C | Blue Star |
| CarPlan Blue Star Super Deicer 12 Pack | £22.99 | 12-pack bulk | Aerosol | 600ml | 12 | -15°C | Blue Star |
Specs from each Amazon UK listing (– = not stated on the listing); prices checked on Amazon UK on 27 October 2026.
Our picks
Prestone De-Icer Anti Freeze Spray 600ml
Prestone De-Icer Anti Freeze Spray 600ml
£3.39
Best overall
CarPlan De-Icer 300ml Pack of 1
CarPlan De-Icer 300ml Pack of 1
£2.00
Best budget
Prestone Rapid De-Icer -40°C 6 Pack
Prestone Rapid De-Icer -40°C 6 Pack
£15.99
Best for families
How we pick
We shortlist products sold on Amazon UK using capacity, features, customer ratings and price band. We do not lab-test every model unless a page says so. The Amazon page is the live price. How we recommend.
Compare at a glance
| Product | Capacity | Last Amazon price | Buy |
|---|---|---|---|
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£3.39
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£2.00
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£15.99
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£3.00
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£4.00
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| 1L |
£4.95
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£13.48
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£22.99
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The products
Buying advice
Our top picks
Best overall: Prestone De-Icer Anti Freeze Spray 600ml (£3.39). Fast-acting Prestone aerosol de-icer for car windows. The listing states it has been tested in extreme conditions and quotes -40C performance. A strong single-can pick from a known winter brand.
Best budget: CarPlan De-Icer 300ml Pack of 1 (£2.00). The cheapest can here. CarPlan Blue Star de-icer in a 300ml pack, with listing copy claiming reliable work down to -15°C. Good glovebox size if you only need one small can.
Best multipack: Prestone Rapid De-Icer -40°C 6 Pack (£15.99). Multipack of six Prestone rapid de-icer sprays. Listing bullets say it melts ice down to -40°C and helps prevent dangerous refreeze. Handy if you want spare cans for home and work.
Other car de-icers worth a look
Bluecol De-Icer Trigger 500ml (£3.00). Trigger-spray de-icer. Listing bullets claim defrosting down to as low as -36°C and an advanced glass cleaning formula. Easy aimed spray without an aerosol can.
CarPlan Blue Star Aerosol 600ml (£4.00). Single 600ml Blue Star aerosol. Listing claims superior de-icing and reliability down to -15°C. Larger can than the 300ml budget pack for daily winter use.
CarPlan Demon Ice Preventer 1 Litre (£4.95). 1 litre Demon Ice, listed as a 2-in-1 ice preventer and de-icer. Apply the night before to help stop overnight freezing, or use to melt ice; listing claims work down to -20°C.
CarPlan Blue Star Aerosol 600ml 6 Pack (£13.48). Six-pack of 600ml Blue Star aerosol de-icer. Same -15°C cold claim on the listing as other Blue Star cans, useful for stocking the household through winter.
CarPlan Blue Star Super Deicer 12 Pack (£22.99). Twelve 600ml Blue Star Super Deicer aerosols. Listing claims de-icing down to -15°C. Largest multipack in this guide if you want bulk for a driveway fleet or workplace.
Aerosol, trigger or overnight preventer?
Most picks here are aerosols for a quick blast on glass. Bluecol (£3.00) is a trigger bottle if you prefer aimed spraying. Demon Ice (£4.95) is a litre liquid sold as both preventer and de-icer for overnight use.
Cold claims come from each listing: Prestone quotes -40C/-40°C, Bluecol -36°C, Demon Ice -20°C, and CarPlan Blue Star lines -15°C. Thicker ice still needs a scraper.
Pack size versus glovebox can
Single 300–600ml cans suit one car. 6- and 12-packs cut the cost per can if you clear ice often or share cans across a household.
For clearing frost before spray, see our [best ice scraper for car UK guide](https://10deals.co.uk/posts/best-ice-scraper-for-car-uk-2026).
What to look for in a car de-icer
Cold claim. Check the lowest temperature the listing states.
Format. Aerosol for speed; trigger for control; liquid preventer for overnight.
Pack size. One can for the glovebox, multipacks for the season.
Glass care. Some formulas also claim to clean glass; follow label advice.
Refreeze. A few listings mention anti-refreeze; still clear water before driving.
Safety. Keep spray off paintwork where the label warns, and ventilate if using in a garage.
How we chose these picks
We only included products that were in stock on Amazon UK with a single live buy-box price in pounds when we checked on 27 October 2026, read with a UK delivery address. We skipped listings showing low stock, no stock line or unclear details, and we avoided repeating products already featured in our other guides. Specs in the comparison table come from each product's Amazon UK listing, and a dash means the listing does not state that detail. Descriptions are based on what each listing says; we have not tested these products ourselves, and we have not used star ratings or review counts.
Prices were checked on Amazon UK on 27 October 2026 and can change at any time. Check the current price, details and delivery date on Amazon before you order.
Frequently asked questions
Is de icer windshield washer fluid?
Not usually. The products in this guide are dedicated windscreen de-icer sprays or liquids, not standard washer-bottle fluid. Some winter screenwashes include de-icer additives, but these Amazon listings are sold as spray-on de-icers for glass.
Does de icer work?
Yes for frost and light-to-moderate ice when used as the label directs. Listings here claim melt performance down to temperatures such as -15°C, -36°C or -40°C. Thick ice may still need an ice scraper after spraying.
Do de icers work?
They melt ice and frost on contact so you spend less time scraping. Effectiveness depends on ice thickness, air temperature and the product's cold claim on the pack.
How does de icer work?
De-icer sprays use solvents and freezing-point depressants to break the bond between ice and glass. You spray, wait briefly as directed, then wipe or scrape remaining ice and clear the screen before driving.
