Go to the pedicure shop to soak your feet. If you put an instrument in clean water, it will turn black, which is due to a chemical reaction. Experts explained that the principle of this chemical reaction is similar to that of a battery. The wrist strap and the ion head are positive and negative electrodes respectively, and the aqueous solution containing salt is equivalent to electrolyte, thus forming a closed loop.

When the instrument is powered on, the reaction process of electrolyzing water occurs on the positive and negative electrodes of ions. The function of adding salt should be to increase the conductivity of water and put it directly into the solution without going through the human body. In fact, it does not pass through the human body, but its ion head and wristband can produce this kind of similar "detoxification" phenomenon.

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Take a little solution near the ion head, measure its PH value, and see that colorless phenolphthalein reagent drops into the solution and turns pink, indicating that the solution is alkaline, and the pH value must be greater than 8, which will corrode people's skin. In this case, it is actually harmful for the skin to soak in it for a long time.

The police reminded that the health care products market is mixed. If you encounter similar products, you should complain to the industry and commerce department and the consumer protection department in time. Call 1 10 if necessary.

Dahebao Com- "Magic" Spa: Is it detoxification in the body to soak feet and turn clean water into sewage? The fact is, ...