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Hyaluronic Acid (HA): What You Need to Know


A woman holding a dropper and vial

Hyaluronic acid (HA) is a naturally occurring humectant. It holds water between the cells in our skin to maintain hydration. The skin’s natural hyaluronic acid content starts to decrease in our twenties and is reduced in half by the age of fifty. This loss of water volume within the skin is partially responsible for the fine lines and wrinkles we accumulate with age.

Can Hyaluronic Acid Maintain Youthful Skin?


Hyaluronic acid is a powerhouse hydrating ingredient used in skincare. It is considered a humectant, meaning it pulls water from the environment to the upper layers of the skin. Think of it like a sponge. HA molecules can hold up to 1,000 times their own weight in water, which is why they are so good at hydrating the skin. As the skin becomes more hydrated, it often appears more “plump.” This limits the appearance of fine lines and wrinkles.


How Should I Use Hyaluronic Acid?


You might be wondering how it should be used. And this is a great point to consider. HA when applied correctly can have major benefits. However, many people are not using it the right way.


When applying HA, you want to make sure that you are applying it to clean, damp, skin. This is important. When applying to damp skin you are providing a water source for the HA to draw from. You want to apply the HA first and then top it with a moisturizer. If you apply the HA on top of a moisturizer, especially if you are in a dry climate or during winter, the HA can actually pull water from your skin, leaving your skin more dry than before. Applying to damp skin is key.


ISDIN Hyaluronic Acid Concentrate


ISDIN Hyaluronic concentrate is one of our newest products to carry at Northeast Dermatology. We have found it to be one of the most cosmetically elegant and effective formulations of hyaluronic acid and has the additional benefit of containing peptide growth factors to promote collagen and elastin.


Hyaluronic acid should be applied right after cleansing, morning and night, while the skin is still damp. Moisturizer or sunscreen can be applied afterwards.


Hyaluronic acid is appropriate for all skin tones and does not clog pores. After application, your skin should immediately feel more plump, smooth, and have a satin dew sheen.


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