FICTION: It helps treat psoriasis
Some people believe that one of the baking soda benefits is it helps treat psoriasis.
When researchers studied the potential, however, they concluded that it’s not true. They observed that the topical use of sodium bicarbonate DID NOT improve skin hydration, reduce skin water loss, and improve psoriasis lesions4.
FACT: It helps ease itchiness from eczema
We don’t have many studies regarding baking soda benefits for eczema, but anecdotal reports say a baking soda bath or paste helps ease itchiness.
In fact, The National Eczema Association says that mixing ¼ cup of baking soda to bathwater or directly applying sodium bicarbonate and water paste might help relieve itchiness⁵. The mechanism of action for this is still unclear but researchers thin that the alteration of the pH might play a role in this.
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