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First a note: it is actually the larvae of moths that eat your sweaters, not the adults.

Most experts seem to say that moth larvae only eat "natural "fibers, ie. wool, cashmere, silk, angora, etc.

If your rayon or other synthetic is blended with wool, as many are, the larvae will eat the wool part of the blend, which still results in clothes-ruining holes.

My personal experience (selling & collecting vintage clothes) is that moth larvae do seem to like blended rayon quite a bit. I've never known them to attack any other synthetic, though.

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14y ago

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