This is a massage brush made with terahertz ore. Easy self-care: simply stroke it lightly over areas where you feel stiffness or swelling! Terahertz is characterized by a "soft, warm sensation" when touched, and it is said that you can easily feel a sense of refreshment and warmth while brushing. Convenient for use on the neck, shoulders, arms, legs, scalp, and face line, etc., for the whole body. Also recommended for refreshing during desk work or housework. Recommended for after-bath care. ※Individual results may vary. Relaxing sensation as if the body is loosening up Comfortable care with gentle warmth For swelling and tightening of the face line Lightweight and easy-to-handle shape for easy continued use Cute simple design even when left out 【Recommended for those who】 Concerned about stiffness in the neck and shoulders Want easy self-care Want to care for the face line and scalp Feel cold easily and like a warm sensation Want to refresh easily at home 【Notes】 This is not a medical device. Individual sensations may vary. Please be careful not to rub too hard. Since it is non-metallic, it is very fragile and requires careful handling! A power stone counselor will purify it with care and ship it. Please note that it will be simply packaged. We also accept combined shipping. We will discount the shipping fee, so please send a message through the product questions beforehand. We also sell on other flea market apps, so it may be sold out. Please understand. ・Natural stones are called when you need them I think it's good to buy what you think is right, not the effect. It is a natural stone that you will surely have a connection with. We try to take pictures as close to the actual product as possible, but there may be slight differences in color and other aspects from the actual product due to flash, lighting conditions, etc. Due to the nature of natural stones, there may be scratches, abrasions, chips, dents, and inclusions. Please understand. We do not accept returns or cancellations.