Hyaluronic acid (HA) stands out in skincare due to its remarkable capacity to deeply hydrate the skin. This natural humectant, a sugar molecule in the skin, binds to moisture, offering hydration and fostering a ‘plumped-up’ appearance akin to a radiant, dewy glow.
While HA occurs naturally in nearly every body cell, it’s most abundant (nearly 50%) in the skin. It resides in the underlying dermis and the upper epidermis layers, actively attracting and retaining moisture. This attribute helps maintain the skin’s suppleness, youthfulness, and vitality. HA levels are abundant in youthful skin, contributing to its smooth and elastic texture. However, as age advances, the skin’s HA production dwindles, exacerbated by its limited ‘shelf-life’ within the skin—naturally degrading or turning over within approximately 24 hours, a process that decelerates with age, leading to the appearance of rough, dry, and flaky skin.
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The significance of size in Hyaluronic Acid (HA)
Besides being used in skincare products on your skin, Hyaluronic Acid (HA) is also used in injections by doctors like Dermatologists and Plastic Surgeons to make your face fuller and smoother out deeper lines.
The main difference between the HA used in injections, and the one in skincare products is how big the molecules are. The HA in injections is usually much bigger, often more than 2 million Daltons. Also, they sometimes connect the HA molecules to make them last longer in your skin, which makes them even bigger and only good for injections.
When doctors use injections to fill lines or plump up the face, they often use a mix of different HA fillers with different-sized molecules to target different areas, like deep wrinkles or fine lines.
If the HA molecules are too big, they might sit on your skin instead of going where they’re supposed to. But now, there are ways to ensure the HA goes to the right place in your skin, making it softer, brighter, and more resilient.
Even though skincare products can’t do the same things as injections, they can still learn from them. By using different sizes of HA, skincare products can hydrate and plump up different layers of your skin. Using injections and skin care products with HA can give even better results, making your skin look even better.
Skincare products with HA work well for most skin types, not just older ones, and they can be good for many people.
