Witch hazel is rich in tannins, a natural plant compound with powerful antioxidant properties that can help protect your skin against damage when applied topically.
One animal study found that tannins can act as a barrier, preventing inflammation-causing substances from entering your skin cells (12Trusted Source).
What’s more, a test-tube study showed that witch hazel helped neutralize harmful free radicals and prevented the spread of skin cancer cells (13Trusted Source).
Similarly, another animal study discovered that the tannins in witch hazel were able to slow skin tumor growth in mice exposed to radiation (14Trusted Source).
However, most research is currently limited to test-tube and animal studies. More studies are needed to evaluate the effects of witch hazel on humans.
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