Hyaluronic acid is a really popular skincare ingredient, which is actually found naturally in the body. We call hyaluronic acid a humectant, which is a fancy term for any substance that attracts and retains moisture. Most of the body’s hyaluronic acid is found in the skin but it is also found in the eyes and in the joints. Over time, your stores of hyaluronic acid will gradually decrease. As a result, your skin will lose volume and firmness and may begin to dry out. Not all hyaluronic acid is the same. It comes in different sized molecules. This is important because if the molecules of hyaluronic acid are too big they will be unable to penetrate the skin. This means they will sit on top of the skin and only hydrate the outermost layer. So, for maximal benefit, hyaluronic acid solutions containing a variety of different sized molecules are the best.
How does hyaluronic acid work?
Hyaluronic acid works in a number of ways. It is probably best known for its high water-binding capacity. This means that it is a very effective hydrating agent and will moisturise the skin. Hyaluronic acid also plays a role in the communication between our cells and our blood, which means our cells are able to be delivered important molecules from the bloodstream. Recent evidence shows that hyaluronic acid also has a role in promoting wound healing. But that’s not all..
Hyaluronic acid also qualifies as an anti-oxidant, meaning it can protect the skin cells from free radicals. Free radicals lead to cell damage and increase the process of ageing. We have covered antioxidants and free radicals in detail in our overview of niacinamide. Taking a look at studies of hyaluronic acid, it has been shown to reduce wrinkle depth by up to 40%, increase firmness by up to 55% and increase elasticity by up to 20%.
What are the side effects?
Hyaluronic acid is a very safe ingredient to use because it is found naturally in our bodies. Most of the side effects are typically associated with its use as a dermal filler, rather than a topical cream.
When will I see results?
We encourage you to use hyaluronic acid when your face is slightly damp because this will allow the ingredient to pull the moisture from on top of your skin and bring it into the skin. Some people report the effect of hyaluronic acid being instant but generally after four to six weeks you should notice that your skin is firmer, plumper and more hydrated. The studies of hyaluronic acid reducing the appearance of fine lines and wrinkles reported an improvement after up to 12 weeks, so we encourage you to keep using it to continue to see the benefits!
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