Over-hydration of the skin can compromise the barrier function, meaning that substances are more easily absorbed into the bloodstream. It’s called percutaneous absorption. It is usually a short term phenomenon, but it can make the skin more vulnerable to waterborne allergens and irritation. Not just that, the production of Natural Moisturizing Factor, the water magnet that brings water to the skin’s surface, is impeded by over-hydration…which can lead to under-hydrated skin down the line.
Just a couple of reasons to think twice about what you’re putting on your skin. And the skin of your loved ones. But keep in mind, drinking lots of water won’t overhydrate your skin. Rather, overhydration is usually a function of prolonged exposure to water and/or an overly powerful barrier (watch the overly occlusive skin care products!).
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