Mild, biodegradable formula with green certification from EcoLogo® and Green Seal™. Environmentally responsible with out sacrificing product performance. Foam hand cleanser refill produces and audible click, for convenience in replacing refill in the dispenser. Unscented, to help prevent chemical sensitivities or allergies. Dermatologist tested to be mild. EcoLogo® certified. USDA certified Biobased product. SANITARY SEALED™ refill helps prevent contamination. Fresh dispensing valve with each refill.