Persil non biological washing powder brings the power of Persil to a non biological formula. Now is even more concentrated, for more wash loads per box, with 10% less packaging. Concentrated formula means you need to use less per wash. Gentle formula, is gentle next to sensitive skin. With biodegradable ingredients. Leaves clothes spotless and smelling fresh. Safer on fragile fabrics, ideal for wool or silk. Recyclable box. This bulk pack is suitable for up to 130 washes.