Persil liquid non-bio is great for all-round cleaning, and gentle on sensitive skin. The innovative formula in this pack makes this non-bio product more effective than ever. What's the difference between bio and non-bio? We have the answers here. How to use Persil liquid Eco Pack5 extra washes compared to our 25 wash bottle (based on RRP)*. 78% less plastic compared to our 25 wash bottle. Can be used as a standalone pack or refill to 40 and 60 wash small and mighty bottles. Available in Bio, Non-Bio and Colour.