Earth Friendly Ecos Free & Clear Liquid Laundry Detergent is for people with strong sensitivities to fragrance, fabric softeners, or cellulose optical brighteners. Has the same load yields as regular ECOS, but does not contain any essential oils for fragrance, soy-based fabric softener or cellulose optical brighteners. The pH of Ecos Liquid Laundry Detergent is neutral for extra gentleness on fibers. Clothes and linens last longer! Ecos Laundry Detergent can be used in grey water systems and is septic system safe.