Charlie’s Soap - Laundry Powder is a revolutionary approach to laundry care.  It does not cover up stains and odors with scents and brighteners - it really cleans.  It is made with a unique blend of biodegradable coconut-based detergents and high-grade, completely soluble, Green River washing soda Charlie’s Soap - Laundry Powder is a revolutionary approach to laundry care.  It does not cover up stains and odors with scents and brighteners - it really cleans.  It is made with a unique blend of biodegradable coconut-based detergents and high-grade, completely soluble, Green River washing soda.   HE Recommended • Biodegradable • Septic Safe.