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Hydration: Water vs Supplements for Your Skin

By The Gelagen Team · September 2026

Search for “skin hydration supplement” and you will find hundreds of products. But the most effective hydration tool is free and comes from your tap. Water. Here is where supplements honestly fit — and where they do not.

Water's irreplaceable role

Adequate hydration maintains blood volume, which ensures nutrient delivery to skin cells and waste removal. Dehydrated skin receives less blood flow, looks dull and loses elasticity. No supplement can compensate for chronic under-hydration.

What supplements can do

Gelagen’s Vitamin E and Vitamin A support the skin barrier integrity that keeps moisture in once it is there. Think of water as filling the tank and our nutrients as maintaining the tank's walls so water does not leak out through transepidermal water loss.

How much water?

The commonly cited “8 glasses a day” is a reasonable starting point, though individual needs vary based on activity level, climate and body size. If your urine is consistently pale yellow, you are likely adequately hydrated.

The combined approach

Drink adequate water, eat water-rich foods (fruits, vegetables, soups), use topical moisturizer and support barrier function internally with nutrients like those in our formula. Hydrated skin requires all four approaches working together.

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