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Grease removal and how many plates a dose washes.
Price per wash, not per bottle. Price doesn't predict performance.
Washing-up liquid
Fairy Original
Concentrated, widely sold on Amazon in bulk, and a consistent performer in UK tests.
31p / 100ml
Buy on AmazonWhat we ruled out
Ecover Sensitive. 45p per 100ml, about 4 times the budget pick, without a clear performance advantage.
Fairy Max Power variants. 48p per 100ml.
Washing-up powders. Which? estimates about 72p a wash, far more than liquid.
Sources
- Best washing-up liquids, Which? (2026)