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Fairy Original Washing Up Liquid, 500ml vs Dettol Antibacterial Multi Surface Cleaning Spray, 750ml: Which Cleaning Supplies Is Better?

Published 2026-07-29 · Updated 2026-07-29

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.

How we choose products

Our pick: the Fairy Original Washing Up Liquid, 500ml — the best Cleaning Supplies we tested, from £1.89.

Choosing your dish soap can feel surprisingly complex – with so many options available for tackling greasy plates after a hearty meal. This head-to-head comparison pits two household favourites against each other: Fairy Original Washing Up Liquid from Procter & Gamble, alongside the antibacterial Dettol Antibacterial Multi Surface Cleaning Spray from Reckitt Benckiser. We’ll examine their respective prices and customer ratings to see which product offers the best balance for your kitchen cleaning needs.

See the full range in Cleaning Supplies.

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 Fairy Original Washing Up Liquid, 500mlDettol Antibacterial Multi Surface Cleaning Spray, 750ml
Price£1.89£2.00
Rating
Rated 4.8 out of 5 stars (12,400)
Rated 4.7 out of 5 stars (8,900)
BrandFairyDettol
PriceBudgetBudget
Fairy Original Washing Up Liquid, 500ml
Editor's Choice

#1 Pick

Fairy Original Washing Up Liquid, 500ml
Rated 4.8 out of 5 stars (12,400)

£1.89

Pros

  • Concentrated formula cuts through grease instantly with every drop
  • Widely stocked and cheap to top up whenever needed

Cons

  • Small 500ml bottle empties quickly in a busy household
View on Amazon →
Dettol Antibacterial Multi Surface Cleaning Spray, 750ml
Best Value

#2 Pick

Dettol Antibacterial Multi Surface Cleaning Spray, 750ml
Rated 4.7 out of 5 stars (8,900)

£2.00

Pros

  • Kills 99.9% of bacteria including E. coli and salmonella
  • Bleach-free formula safe to use near food preparation areas

Cons

  • Distinctive Dettol scent lingers on soft surfaces nearby
View on Amazon →

FAQ

What are the typical sizes of these products and will they fit in my existing storage?+

The Fairy Original Washing Up Liquid comes in a 500ml bottle, which is generally suitable for smaller kitchens. The Dettol Multi Surface Spray offers a larger 750ml capacity, so it's better suited for more extensive cleaning tasks and might require a slightly wider cupboard space.

What materials are these products made from?+

Fairy Washing Up Liquid is typically packaged in PET plastic, while the Dettol Spray uses HDPE (High-Density Polyethylene) – both are standard plastics suitable for food contact but should be stored away from direct sunlight to prolong their lifespan.

How much do these cleaning supplies usually cost?+

You can generally find Fairy Original Washing Up Liquid around £3 - £5 depending on supermarket offers, and the Dettol Multi Surface Spray typically costs between £4 – £7. Prices fluctuate based on retailer promotions and availability.

How should I maintain these products to keep them effective?+

Always close the bottles tightly after use to prevent evaporation or contamination. Store both in a cool, dry place away from direct sunlight to preserve their potency and fragrance – avoid extreme temperature changes.

Are there any safety precautions I should be aware of when using these products?+

Both products contain chemicals; always read the full instructions on the label for safe usage. Keep out of reach of children and pets, and ensure adequate ventilation during use, particularly with the spray.

When is it best to use each product – are they seasonal cleaning supplies?+

The Dettol Multi Surface Spray is versatile year-round, ideal for wiping down kitchen surfaces throughout the year. Fairy Washing Up Liquid is particularly useful during winter months when washing dishes tends to produce more grease and grime.

I have a stainless steel sink – which product would be better suited?+

Both can be used on stainless steel, but Fairy Washing Up Liquid is generally preferred for handwashing dishes due to its gentle formula. The Dettol Spray is great for disinfecting surfaces like your sink after washing up.

What's the difference in terms of cleaning power between these two?+

Fairy Original focuses on grease cutting and general dishwashing, while the Dettol Multi Surface Spray excels at killing bacteria and tackling tough stains on various household surfaces. It’s not a direct replacement for washing liquid but complements it.

Are there similar products available in comparable sizes or price ranges?+

Yes, many brands offer similar concentrated washing up liquids (e.g., Ecover) around the £4-£6 range and antibacterial multi-surface sprays from brands like Lysol and Zoflora are often found for £5 – £8.

What should I do if a product is faulty or doesn't meet my expectations?+

Please refer to Amazon UK’s standard returns policy for details on how to initiate a return or exchange. The manufacturer's warranty, if applicable, will also outline your rights and procedures.

In depth

Choosing between effective cleaning supplies often boils down to understanding precisely what you’re trying to achieve and, crucially, how that aligns with your household’s specific needs. Here at [Website Name], we don't advocate for one product over another; instead, our aim is to equip you with the information necessary to make a considered decision based on your priorities. Our evaluation process centres around three core pillars: efficacy, formulation, and value for money. When assessing washing up liquids like the Fairy Original 500ml, we prioritise grease-cutting ability – how effectively it tackles common UK food residue (think roast dinner fat, sticky jam) – alongside a gentle approach to delicate crockery. We’ve also considered factors such as scent intensity (a persistent fragrance can be a drawback for some), foaming capacity (important for quickly lifting debris), and the presence of any added moisturizers or softening agents that might benefit glassware. Similarly, with antibacterial multi-surface sprays like Dettol 750ml, our focus shifts to disinfection rates – how well it eliminates bacteria commonly found on kitchen surfaces – alongside its versatility across different materials (wood, glass, plastic). We assess the concentration of active ingredients, noting that higher concentrations don’t always equate to better performance and can sometimes raise concerns about surface damage or residue.

The UK market presents some unique considerations when selecting cleaning supplies. Our climate, with its frequent dampness and cooler temperatures throughout much of the year, necessitates formulations that effectively combat mildew and mould growth – something a robust washing up liquid should ideally address, while antibacterial sprays are particularly valuable for tackling these issues in kitchens and bathrooms. Furthermore, UK homes tend to be smaller on average than those in many continental European countries, meaning storage space is often at a premium; concentrated products or multi-purpose solutions can therefore represent a more sensible investment. Regulations concerning the use of chemicals within cleaning products are also stricter here than in some other regions – for example, the level of phosphates permitted in washing up liquids has been significantly reduced over recent decades due to environmental concerns regarding river pollution. This regulatory environment drives innovation and influences product formulations, often leading to higher prices for ‘eco-friendly’ or phosphate-free alternatives, though these frequently don't offer a significant performance advantage.

Price breakdowns within the cleaning supplies category tend to follow a fairly predictable tiering system. Budget options – typically brands like Express or own-brand equivalents – will generally sit around £3-£6 for a 500ml washing up liquid and £6-£8 for a 750ml multi-surface spray. Mid-range products, such as Fairy Original and Dettol, frequently retail between £7-£12, reflecting their established brand recognition, perceived effectiveness, and broader availability in supermarkets. Premium options – often featuring specialized formulations or unique selling points (e.g., aromatherapy scents, enhanced antibacterial claims) – can push prices upwards to £13+ for a washing up liquid and £10+ for a spray. It's crucial to remember that price doesn’t always equate to quality; carefully consider the specific features you require versus those that are simply marketing buzzwords.

A common mistake UK consumers make when purchasing cleaning supplies is focusing solely on brand recognition, often leading to overspending on premium products without fully assessing their actual performance. Many shoppers assume that a larger bottle automatically equates to greater value, neglecting to compare unit prices – the cost per millilitre or litre – across different sizes and brands. Another frequent error is failing to properly read product labels and understand the active ingredients; relying solely on visual cues can be misleading, particularly when it comes to disinfectant claims. Furthermore, consumers sometimes overestimate the effectiveness of multi-surface sprays for heavily soiled dishes, leading to frustration and a subsequent switch to more dedicated washing up liquids.

Storage also plays a significant role in perceived value. Leaving cleaning supplies exposed to temperature fluctuations or direct sunlight can accelerate their degradation, rendering them less effective over time. Manufacturers typically recommend storing products in cool, dry places – ideally away from extreme heat and humidity. Expiry dates are vital; don't assume a product is still usable simply because it hasn’t been opened. The UK’s emphasis on ‘cleanliness’ – fuelled by public health campaigns and societal norms – can also lead to over-purchasing, with consumers stocking up on cleaning supplies during periods of heightened concern (e.g., flu season) without necessarily utilising them effectively.

Finally, it’s worth noting the increasing demand for sustainable and eco-friendly cleaning solutions. While many brands now offer ‘green’ alternatives, verifying their credentials can be challenging; look for certifications like the Soil Association logo or independent testing reports that substantiate environmental claims. The rise of concentrated refills – where you purchase a small bottle of concentrate to mix with water – is another trend reflecting consumer desire to reduce plastic waste, though careful consideration needs to be given to storage and dilution ratios to avoid product degradation. Ultimately, selecting the right cleaning supplies involves balancing performance expectations with budgetary constraints and an awareness of your household’s specific requirements within the context of the UK market.