Persil Non-Bio Washing Powder 130 Washes 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. Key Benefits Cleans tough stains even in a quick wash. Kind and gentle next to skin. We're doing our bit for the environment. Works well on greasy & oily stains. Works well on quicker and cooler programmes.