As with soaps and detergents, fabric softeners may cause irritant dermatitis. These agents include optical brighteners, fabric softeners, and colourants. Anionic softeners can combine with anionic surfactants directly. Stool softeners or laxatives are the choice of treatment for encopresis. Quats are anti-microbial agents that are found in bathroom cleaners, fabric softeners, and degreasers. Some bath salts act as water softeners and change the way soap rinses. Chloride cycle dealkalizers operate similar to sodium cycle cation water softeners. Oils and lubricants may be added as softeners. In liquid fabric softeners, the chloride salts are often used. Water softeners are usually regenerated with brine containing 10% sodium chloride. Quaternized fatty ammonium compounds are used as a surfactant or fabric softeners. Builders (also called chelating or sequestering agents) are water softeners. Stool softeners often are prescribed to prevent constipation. Other measures include warm sitz baths, topical anesthetics, high-fiber diet and stool softeners. It is used in formulating lubricants, softeners, and dyeing assistants.