Yes, Dr. David's black underwear is not a drug, but it resonates with the light wave of human life by implanting far-infrared light waves, and it is worn continuously to get through the microcirculation of human body, thus playing the role of anti-inflammation, analgesia and promoting metabolism. At the same time, tens of thousands of people wear it, and they get up less at night, and their waist and legs can be less painful. Some people have improved dysmenorrhea, and there are many years of prostatitis. All kinds of positive feedback.

Dr. David's black technology comes from the far-infrared light wave of life light wave. Using floodlight technology, that is, far-infrared light wave interception and transfer implantation technology, the most beneficial far-infrared light wave in 4- 16 micron band is intercepted from sunlight and implanted into underwear products. Every fiber in Dr. David's underwear is implanted with far-infrared light waves, which are the most common frequencies with the human body. The effect will not be weakened by washing, as long as the underwear will never disappear in energy. Even if you burn your underwear to ashes, there is energy in the ashes.

Women's underwear is mainly made of milk fiber. Milk protein fiber: elegant and natural luster, it is the best companion of luxury and fashion. Softness and skin friendliness are equal to or better than cashmere; Good air permeability, good moisture conductivity and freshness; The warmth retention is close to cashmere, and the warmth retention is good.

After more than four years of polishing, Dr. David has optimized and upgraded the fabric and packaging. Let a "seed" of that year take root and sprout, and gradually take root and sprout. This innovative new technology and product, with its innate temperament, will not only become a striking "black technology", but also set off a storm of manufacturing transformation and upgrading.