While dishwashing liquid and laundry detergent serve similar purposes in terms of cleaning, they are formulated differently and have distinct properties tailored to their intended uses. Therefore, it is generally not recommended to use dishwashing liquid as a substitute for laundry detergent. Here's why:
Formulation: Dishwashing liquids are designed to cut through grease, food residue, and stains commonly found on dishes, pots, and pans. They often contain surfactants and enzymes suitable for removing these types of soils. On the other hand, laundry detergents are formulated to remove a broader range of stains, including oil, dirt, sweat, and various types of organic and inorganic stains. They also contain ingredients specific to fabric care and maintenance.
Concentration and pH: Dishwashing liquids are typically more concentrated than laundry detergents, as they are meant to be used in smaller quantities due to the smaller surface area of dishes. The higher concentration and different pH levels of dishwashing liquids can be too harsh for fabrics and may cause damage or discoloration over time.
Optical brighteners and fabric softeners: Many laundry detergents contain optical brighteners and fabric softeners that enhance the appearance and feel of clothes. These components are not usually present in dishwashing liquids, as they are not necessary for dishwashing purposes.
If you find yourself without laundry detergent, it's best to use a product specifically designed for that purpose. However, in an emergency situation, you could potentially use a small amount of mild dishwashing liquid for a single load of laundry. Make sure to dilute it well in water before adding it to the washer, and avoid using dishwashing liquids with added fragrances or bleach. But remember, this should only be a temporary solution until you can obtain proper laundry detergent.