Washing clothes with dishwashing soap instead of laundry detergent can lead to various issues and is generally not recommended. Dishwashing soap is designed specifically for cleaning dishes and cookware, not for washing clothes. Here are some potential consequences of using dishwashing soap for laundry:
Ineffectiveness on Stains: Dishwashing soap may not be formulated to effectively remove tough stains commonly found on clothes. Laundry detergents contain specific enzymes and chemicals that target various types of stains like grease, oil, dirt, and protein-based stains.
Residue Buildup: Dishwashing soap may leave a residue on clothes, especially in high-efficiency washing machines. This residue can make clothes feel sticky, look dull, or cause skin irritations.
Damage to Fabric: Some dishwashing soaps contain ingredients that could be harsh on delicate fabrics. Extended use of dishwashing soap on clothes may lead to fabric wear and tear, discoloration, or weakening of fibers.
Excessive Suds: Dishwashing soap tends to produce more suds than laundry detergent. This can be problematic in high-efficiency washing machines, which are designed to use less water. Excessive suds can cause overflows and disrupt the machine's operation.
Bad Smell: The fragrance in dishwashing soap is usually not designed to linger on clothes like laundry detergents do. As a result, clothes washed with dishwashing soap might not smell as fresh or pleasant after drying.
Potential Damage to Washing Machine: The excess suds from dishwashing soap can cause strain on the washing machine's pump and other components, leading to mechanical issues and reduced machine efficiency.
In a pinch, you might be able to use dishwashing soap for emergency laundry needs, such as removing stains from a small item of clothing, but it should not be a regular practice. If you run out of laundry detergent, it's better to use water alone and wait until you can purchase the appropriate laundry detergent for your clothes washing needs.