Possible Clues:

• Wash mandarin seeds inside.
• Dental hygienist's order
• Clean some water in sewer
• Tint from hairdresser in Seascale
• Lightly wash back of cooker in quarters
• Wash some gear in secret
• Wash without using soap
• Barber in Seville supplies tint
• Wash up around noon
• Wash first of nightclothes in advance