Grey hair is something we all dread; genetic genes and stress are usually blamed for causing premature greying. But scientists have found that in most cases catalase enzymes as the culprit to why our hair turns grey. According to the National Business Review, as the body ages, we produce less catalase enzyme, which can result in faster aging. The process starts when the levels of the enzyme catalase are dropping. This shortage of enzyme catalase means that the hydrogen peroxide that naturally occurs in hair can’t be broken down. So hydrogen peroxide builds up in the hair causing your hair to turn grey.
A 2006 study from the Institute of Cytology and Genetics discovered that oxidative stress and DNA damage could be reduced by antioxidant enzymes such as catalase. This study also found that dietary supplements for increasing the activity of catalase in the liver mitochondria in rats led to reduced mitochondrial dysfunction and slowed the process of aging in these animals.
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