Possible Clues:

• Laundry cleaner
• Cleaner acquisition of nuclear power's good for consumer, ultimately
• What each of the four longest Across answers ends with
• Wash day need
• Cleaner put off fellow
• Bird up through dip that removes oil etc
• Get tender (anag)
• Synthetic liquid that dissolves dirt and oil
• Cleaner put honourable man off
• Covered in musk perhaps, tense fellow's purifying