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Did Daz XXL washing powder (UK) shrink?

Size FactsDid it shrink? Yes
Before4.875 kg
After4.225 kg
−13.3%smaller
Price per kg · observed+15.4%Shelf price £9 → £9, as recorded by the source.

Before you paid £1.85 per kg; after, £2.13 per kg: 15.4% more for the same amount.

How big a cut? The 28th-largest of 100 documented laundry cuts; a bigger cut than 53% of all 1,366 cases in the library. See the biggest cuts →

When
2023 · reported 4 May 2023
Country
United Kingdom
Brand
Daz
Category
Laundry
Source
thegrocer.co.uk

Source and evidence

The Grocer — Simple soap bars and Daz washing powders reduced in size (4 May 2023) thegrocer.co.uk

Source fetched 2026-11-02. All 33 The Grocer cases.

Cut from 4.875 kg (49 washes) to 4.225 kg (40 washes); the new pack is £9 in Asda, Tesco and Morrisons, the same price as the old one.

Evidence
Typetrade press investigation (The Grocer, Assosia shelf-price data)
Confidencehigh
Size cut alone, at the old price+15.4%

Check the math in the calculator or compare old and new unit prices.

Against official inflation: ONS CPI (UK) “cleaning and maintenance products” changed +20.1% (12 months to May 2023). This pack’s price per kilogram changed +15.4%, 4.7 percentage points below the official rate, using the shelf prices the source recorded. Every case is compared the same way in the ShrinkRadar Index.

What the source says

“…Simple has also replaced its 500ml Refreshing and Nourishing shower gels with 450ml formats – a reduction of 10%. P&G ’s Daz, meanwhile, has shrunk its XXL washing powder by 13% from 4.875kg to 4.225kg – reducing the number of washes per pack from 49 to 40.”

More from the UK: the UK Shrinkflation Tracker has all 175 documented cases, sortable and filterable.

Topic guide: laundry detergent shrinkflation, every documented case in one place, brand by brand.

More from Daz

All 2 Daz cases →

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Cite this case

ShrinkRadar, “Did Daz XXL washing powder (UK) shrink? 4.875 kg → 4.225 kg”, https://shrinkradar.com/cases/daz-xxl-washing-powder-uk-2023.html, accessed 2026-11-05. Original source: The Grocer — Simple soap bars and Daz washing powders reduced in size (4 May 2023) (https://www.thegrocer.co.uk/news/simple-soap-bars-and-daz-washing-powders-reduced-in-size/678895.article).

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