Persil Non-Bio Laundry Products. If you are particularly concerned about sensitive skin, Persil offers four other products in addition to its Non-Bio Washing Powders and liquid. 1  Persil Non-Bio Capsules.2  The new and improved formula offers tough stain removal while being kind to your skin.f you are particularly concerned about sensitive skin, Persil offers four other products in addition to its Non-Bio Washing Powders and liquid. 1  Persil Non-Bio Capsules. 2  The new and improved formula offers tough stain removal while being kind to your skin.