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No, Birch mattresses do not contain fiberglass in any portion of the mattress.
With Birch, the fire retardant solution is made of 100% organic wool. Concerning the natural approach to the rest of the Birch mattress, the organic fire retardant makes a lot of sense here.
Derek Hales is the Founder and Editor-in-Chief of NapLab. His insights and work has been featured on ABC's Tamron Hall Show, Freakonomics, CBS News, ESPN, Reader's Digest, Homes & Gardens, New York Post, CNET, & More. Derek has personally tested 440+ mattresses and began testing mattresses in 2014.
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