Yes, it is possible to use dishwasher powder to wash dishes by hand, although it is not the most common or recommended method. Dishwasher powder is specifically designed to be used in dishwashing machines, where it is used in combination with water and the machine's washing cycles to effectively clean dishes.
When used for hand washing, dishwasher powder may not dissolve as easily in water compared to traditional dishwashing liquid or soap. This can result in residue or clumps of powder left on the dishes. Additionally, dishwasher powder may contain chemicals that are more concentrated or harsher than those found in dishwashing liquid, which can be abrasive to your hands and may require more rinsing to remove entirely.
If you find yourself without dishwashing liquid or soap and need to wash dishes by hand, it is generally better to use an alternative like liquid hand soap, mild dishwashing liquid, or even a small amount of laundry detergent. These products are specifically formulated for hand washing and are more likely to produce better results without potential issues like residue or skin irritation.
If you do choose to use dishwasher powder for hand washing, make sure to follow the instructions on the packaging, use a minimal amount to avoid excessive suds, and rinse the dishes thoroughly to ensure all the detergent is removed.