The Scientific Way to Wash Hands: Eliminating Bacteria Effectively

January 31, 2024

We wash our hands every day in our daily lives, but it is difficult to completely eliminate bacteria with just hand soap and water. The correct way to wash hands is not only to remove surface dirt, but also to use a more scientific method to eliminate stubborn bacteria. Below, I will teach you the correct and scientific way to wash hands.


1. Wash the palms and backs of hands first

Wet your hands with running water, apply hand soap (or soap), place your palms together, and rub your fingers together; rub your palms against the backs of your hands along the finger seams, and switch hands; place your palms together, cross your hands, and rub your hands against the finger seams.

2. Wash the fingers next

Hold one thumb with the other hand and rotate it in a circular motion, then switch hands; bend each finger joint, half-fist with the back of the finger in the palm of the other hand and rotate it in a circular motion, then switch hands; bend each finger joint, close the fingertips in the palm of the other hand and rotate it in a circular motion, then switch hands.

3. Lastly, wash the wrists

Rub the wrists and forearms, and switch hands.

4. Drying hands is also important

After washing hands, drying hands is also important. Be sure to use a clean personal towel, hand towel, or disposable tissue to dry your hands, and change towels frequently. Using dirty towels, dirty hand towels, or wiping hands on clothes can cause "secondary pollution" if not careful.

The water temperature during hand washing should not be too hot, as it can make the skin even drier. The optimal water temperature should be between 20°C and 25°C. After washing hands, it is best not to air dry naturally. Instead, use a clean, soft towel to dry your hands. Apply hand cream while the skin is still moist to lock in moisture.

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