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Experts remind: Elderly children wear chemical fiber underwear
When it comes to buying thermal underwear for the season, there's a wide variety of materials and brands available in the mall. However, experts recommend that elderly individuals, children, and those with sensitive skin or allergies should choose breathable, warm cotton thermal underwear rather than trendy synthetic fabrics. It's important not to be tempted by the latest fabric innovations, as they can cause skin irritation or allergic reactions.
According to Dr. Zhuang Zhuban from the Chinese Academy of Traditional Chinese Medicine, many new types of thermal underwear on the market contain chemical fibers or rayon. These materials work by blocking heat exchange between the skin and the environment to provide warmth. However, they are not breathable, which hinders sweat evaporation. This can lead to uncomfortable itching, and in some cases, even skin irritation or feelings of restlessness and anxiety.
Moreover, thermal underwear made from chemical fibers tends to generate static electricity, which can attract a large number of positive ions around the skin, leading to dryness. For children, the elderly, and people with sensitive skin or allergies, cotton remains the best choice for winter undergarments, even though it may not offer the same level of insulation as synthetic options. Its natural breathability and softness make it more comfortable and safer for long-term wear.