Dr. Bronner's Sal Suds Liquid Cleaner is not a soap but instead is a concentrated hard-surface all-purpose cleaner. It is made with plant-based surfactants and natural fir needle and spruce essential oils (no cheap, harsh pine stump oil), without any synthetic dyes, fragrances or preservatives.Perfect for general household cleaning (dishes, floors, laundry, etc.), it cleans and rinses with exceptional power, yet it is mild and gentle on the skin. Sal Suds Liquid Cleaner is equally effective in hard or soft water, rinsing freely, hot or cold. It is 100% cruelty-free, as certified by the Coalition for Consumer Information on Cosmetics, and it will biodegrade rapidly after doing its job.SUGGESTED USESOur Sal Suds Liquid Cleaner is the ultimate multi-purpose cleaner, great for just about any household cleaning task. Use a couple tablespoons for an average load of laundry, dilute with water to sponge down countertops or to mop your floor, or even mix with baking soda to make a powerful scouring agent for bathtubs and sinks. Sodium Lauryl Sulfate (SLS) in Sal Suds: This surfactant cuts grease and dirt, generates copious suds, and biodegrades quickly and completely. SLS is made by combining a sulfate group with lauryl alcohol from coconut oil, then attaching sodium. If improperly formulated, SLS can irritate skin, but Dr. Bronner's superb formula uses coco-betaine and lauryl glucoside to counter this.Coco-Betaine: Mild and easily biodegradable, coco-betaine is formed by combining coconut fatty acids with betaine (a nature-identical synthetic so-named because it was first discovered in sugar beets). This foam-boosting cleansing agent buffers irritation caused by SLS.Lauryl Glucoside: This powerful grease-cutting surfactant is especially mild and quickly biodegradable, and is made by combining glucose from corn with fatty alcohols from coconut and palm kernel oils.Lauryl glucoside not only works with SLS to cut dirt and oily soils with exceptional ease, but also combines with coco-betaine to give Sal Suds smooth mildness.Fir Needle Oil & Spruce Oil: Pure essential oils from fir and spruce give Sal Suds its wonderful aroma. Most other cleansers use synthetic fragrances or cheap harsh pine stump oil.