Persil Non-Bio Washing Powder 35 Reviews Total Persil Non-Bio Washing Powder 35 Reviews Total Non-biological washing powder that's tough on stains but gentle on skin Persil Non-Bio washing powder is gentle on sensitive skin and great for removing muddy and oily stains even in a quick wash. Find out more about the difference between non-bio and bio laundry detergents here. Read more + Cleans tough stains even in a quick wash. Kind and gentle next to skin. Wash booster technology removes mud. We're doing our bit for the environment. Works well on greasy & oily stains. Works well on quicker and cooler programmes.