Known cases / Laundry / Ivory
Did Ivory dish detergent shrink?
30 → 24 oz −20.0%Size Facts
Before30 oz
After
24 oz
Hidden unit-price rise at same price+25.0%
When2010
CountryUnited States
EvidenceConsumer Reports investigation
Confidencehigh
Source: Consumer Reports — CR Finds More Products Are Getting Smaller (Jan 2011) (consumerreports.org). Source fetched 2026-10-14. Check the math in the calculator.
What the source says
“Ivory dish detergent: 30 oz. → 24 oz. (-20%)”
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