Persil Non Bio Washing Powder 100% recyclable pack for stain removal that's gentle next to sensitive skin 4x 1.05 kg (84 washes) : Amazon.co.uk: Grocery
I tried supermarket washing powders against Persil and Fairy - you can save £50 and two own-brand boxes were better | The Sun
60 Wash Persil Non-Bio Washing Powder with Biodegradable Ingredients