Far-infrared suppresses skin photoaging in ultraviolet B-exposed fibroblasts and hairless mice
March 11, 2025
In a study led by Hui-Wen Chiu and colleagues, researchers explored how far-infrared (FIR) therapy could help protect skin from the effects of sun damage, such as wrinkles and thinning skin. UV radiation from the sun can break down collagen, a protein that keeps skin firm and youthful. The study showed that FIR treatment helped increase collagen production by boosting certain proteins in the skin. FIR also blocked the action of enzymes that normally break down collagen, helping to protect skin from further damage. This suggests that FIR therapy could help keep skin stronger and smoother, even after exposure to the sun.
The researchers also found that FIR therapy helped the skin’s cells repair themselves by promoting a process called autophagy, which removes damaged proteins and encourages healthy cell growth. In mice that were exposed to UV radiation, FIR treatment resulted in less damage to the skin and less breakdown of collagen, improving the overall appearance and health of the skin. This study supports the idea that infrared saunas, which use FIR, could help improve skin health by preventing the aging effects of sun damage, reducing wrinkles, and keeping the skin looking youthful.
