Yes, this is normal. Since everybody reacts differently due to different body lipids.

It is not recommended for more than one person and is for personal use only for hygiene reasons.

It is recommended to use the product 1-2 times a day for the same part, not multiple times a day. Skin needs to breathe, long-term use may affect skin rest; and this may lead to muscle fatigue or affect the effect, because the muscle cannot be relaxed and restored in time.

ln case of abnormal skin, such as trauma, red spot, acne, scar, skin scratch, etc., it cannot be used regardless of the degree. Because the skin is abnormal, may cause the micro electricity not through the silicone filtration directly stimulates the muscle and causes the uncomfortable stimulation feeling. lt is recommended that when using the product, silicone should be kept away from abnormal places when contacting with skin, or use the product after the skin is cured. 

lt is not recommended to use only one program. Because there is only one sense of muscle stimulation, compared with comprehensive, multi direction, multi angle exercise, the effect will be reduced. And after the consolidation exercise, more need a comprehensive role of muscles in order to maintain a perfect posture. lt is recommended to cycle through all procedures and increase intensity within an acceptable range. 

First, close the controller and re fix the molding belt, which should be close to the skin, and then check whether there is any abnormality in the skin, or whether there are impurities or damages on the surface of silicone.Or turn off the controller and try to drop a few drops of water on the black side of the silicone to enhance the comfort of muscle stimulation.

it’s normal for some skin to turn red after exercise.The redness is partly due to the creased blood flow under the skin, which will fade after a period of time. lt is also possible that the skin is reddening due to the indentation caused by too tight belt. After taking off the belt, it will soon fade away. if there is too much red skin, it may be too intensive training, which may increase skin sensitivity and redness. Try to exercise at a lower intensity for a few days. lf It's always been a problem without any change, please stop using your belt and contact customer service. 

lt is not recommended for women to use thin abdominal belt during menstruation. Pregnant women should not use this series of products.

As with all sports, overtraining can cause muscle soreness, and muscle soreness may also be felt after using the belt, which is normal and will disappear in a day or two. On the contrary, if there is no overload exercise, there will be no muscle soreness.