Persil non-bio cleans tough stains even in a quick wash. Gentle next to skin. Persil with wash booster technology* removes stains like grease, oil and mud. Tough stains are gone, even in a quick wash. Our best ever Persil washing powder, yet still kind and gentle next to sensitive skin. *Wash booster technology works best on greasy and oily stains with regular use on poly ester.