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.
IMPORTANT: Baking soda may also irritate the skin, hence a baking soda bath or paste is not typically recommended to the public, especially when they have skin conditions.
FICTION: It’s okay to use baking soda for facial care
There’s no denying that baking soda is generally safe. Come to think of it, some people with heartburn even drink baking soda to neutralize the acid⁶.
But is it safe to use sodium bicarbonate as a facial wash, scrub, or deodorant?
Experts say it isn’t, especially when you plan to use it for a long time.
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