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In other words, the hair begins to bleach itself from the inside out. One is catalase, which is supposed to break up the hydrogen peroxide into water and oxygen so the body can eliminate it. But catalase levels drop as we age, allowing hydrogen peroxide to accumulate unchecked.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.