Hyaluronic acid is a substance produced naturally by the skin. It’s a humectant, which means it can absorb and retain water — kind of like a molecular sponge.

In fact, hyaluronic acid can absorb and retain up to 1,000 times its weight in water, making it a powerful hydrator.

Although the body produces hyaluronic acid naturally, the skin is less able to produce it as we age, making it more common for the skin to get drier over the years.

Products with the highest concentration of hyaluronic acid

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