Possible Clues:

• Wash your hair with this
• Soapy liquid for hair
• Wash hair
• How a washer goes on ahead
• Drive away carrying a policeman's washing
• Actor in brief send-up for detergent?
• Hair care step
• About to tell the ampere to go away on ahead (7)
• Deployment of hose and a mop pointless for this cleansing operation
• False at first for a wash on top