Therapeutic Clothing with Far-infrared Technology That Supports Pain Relief


Institute of Technology in São Paulo develops materials that when incorporated into the fibers of clothing, have analgesic effect on pain points of the human body.


Pain is part of life. It even functions as a protection mechanism. When touching a hot pan, for example, it is thanks to the pain that the reaction is quick, leading us away from the heat. This causes damage to the skin to be minimized. But pain is always seen as a “bad” thing. Everyone who lives with pain searches for a way to make it disappear. There are a multitude of drugs on the market to work on the nervous system or locally to relieve what bothers us, but innovation, coupled with science, has also come to find that pain can be alleviated through our clothing. In São Paulo, Brazil we’ve learned that research in the field of materials engineering is beyond promising.

After years of research, Invel has developed a compound consisting of a controlled mixture of minerals such as alumina, silica and magnesia, among others, and ceramic substances. The substance, called MIG3®, can also be known as inorganic mineral, biocermic, or even ceramic compound. MIG3® is an active compound and not an active ingredient. And the reason is simple: it is not a single substance, but rather the result of a mixture between several substances.

As Invel president Mário Hirata explains, the idea came after scientists discovered the ceramic effect. “The human body emits invisible light, equivalent to that of a 100W bulb. It’s our infrared heat that thermal cameras pick up. Japanese scientists have found that this light is considered vital to the body and occurs thanks to homeostasis, which is the body’s continuous process trying to balance its internal temperature. They also found that this light can be reflected back to the human body by an inorganic ceramic compound. This gave rise to the idea of ​​developing these textiles, ”he explains.

The “inorganic ceramic compound” is the technical nomenclature that characterizes the active formula developed by Invel. This formula is made with minerals found in nature and it is the union of these compounds that form the inorganic ceramic material known as MIG3. This ceramic emits a far-infrared ray, while absorbing and re-emitting infrared that the human body generates. The presence of inorganic ceramic compound in the fabric is based on the concept of obtaining maximum action without changing the user’s daily life.

“This inorganic ceramic compound is incorporated into the textiles fibers, which in their composition, consist of polyamide and elastane. They are then able to absorb heat and radiate it in the form of far-infrared waves in the range of 3 to 14 microns deep, providing the temperature rise in that level of your skin. When the body comes into contact with the textile, the MIG3 Bioceramic that is incorporated into the fabric emits far-infrared light and triggers a biochemical reaction that has biostimulating properties,” explains Hirata. The effects observed, according to him, are local vasodilation (in the area where the product is in contact with the skin). As a benefit of this reaction, muscle relaxation occurs, assisting in the removal of pain-causing substances, and an increase in oxygen and nutrient supply are observed.

“Using the product does not cure the disease, but it is an auxiliary resource. The heat from far-infrared radiation diminishes pain, improves the appearance of skin and cellulite, and helps with comfort and well-being,” states Hirata. Registered with the National Health Surveillance Agency (ANVISA), Invel has developed a variety of products. Among the most popular is a T-shirt that is recommended as a compliment in the treatment of lower back pain and fibromyalgia, among other chronic pain.

Expert-tested Clinical Study

University of São Paulo (USP) scientist and professor Manoel Jacobsen Teixeira conducted a clinical study with the Invel products and was excited by the results. “I used to be skeptical about this kind of product, but I can say it’s safe and effective. I started recommending them to patients” he says. In the study that tested the lower back pain relieving T-shirt, the Pain Group of the Clinical Hospital of the USP School of Medicine, coordinated by Professor Manoel Jacobsen, conducted a double-blind research study, (Where the researcher does not know who, among volunteers or guinea pigs, received the drug, treatment or placebo to be tested), in which two groups are randomly formed to ensure similar characteristics; one group receives the intervention and the other serves to compare results).

The study consisted of 70 volunteers who wore the garment for 14 days, 8 eight hours a day, and the data obtained demonstrated the effectiveness in the complementary treatment of chronic lower back pain with the Invel t-shirt, improving pain by 45%. The superficial heat promoted by the fabric of the shirt is the result of a photochemical effect. It occurs due to increased heat-enhanced tissue perfusion and aids in the removal of pain-causing substances while increasing  local oxygen supply. “We do not notice or feel the heat” It is at a molecular level. Waves ranging from 3 to 14 microns stimulate water molecules and make the body produce nitric oxide, which is a vasodilator. The improvement in blood circulation stimulates oxygenation and contributes to the reduction of pain and/or inflammation” says Mario Hirata.

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