Clothesline Fresh Sour/Softener is a liquid laundry sour designed to neutralize the pH of the finished wash to a comfortable level which will not irritate skin. Maintaining proper fiber pH is important for prolonging the life cycle of the washed fabric. Clothesline Fresh Sour/Softener also softens and eliminates static cling from laundered fabrics leaving laundered fabrics smelling clean and fresh.Neutralizes the pH of the finished wash to a comfortable level which will not irritate skin, as well as softens washed linensEliminates residual iron in the rinse water to keep it off the fabricsConveniently, each Clothesline Fresh laundry product has been color coded and number coded for easy product identificationBest when used in a complete Clothesline Fresh laundry care program