Hyaluronic acid fillers have been prominent in the aesthetics industry since the early 2000s due to their compatibility with human skin tissue. HA is also a favourite amongst skincare enthusiasts for its ability to revitalise and plump the appearance of skin.
But what is Hyaluronic Acid? Today we’re going to take a deep dive into the facts behind this hero ingredient.
What is Hyaluronic Acid?
Hyaluronic Acid is naturally found throughout the body as part of the skins youth matrix and can be found in high concentration in numerous areas. As we age our skin tends to lose volume resulting in fine lines and wrinkles. Injectable hyaluronic acids aim to replace volume in areas which in which it has been lost i.e., tear trough and cheek as well as areas that a client may wish to define such as jawline and lips.
Hyaluronic Acid is also a humectant, this is an ingredient that draws moisture from its surroundings making it the perfect ingredient to deliver deep hydration into the skin, further to this It has the capacity to hold 1000x its weight in water.
Most market leading dermal fillers use a gel form of Hyaluronic Acid that can be used to add volume to a number of areas. Injectable HA fillers can be used to rejuvenate, contour and enhance areas such as lips, jawline, tear trough, chin and many more.
Hyaluronic acid fillers are a firm favourite due to their ability to be dissolved. As HA is naturally occurring within the body it breaks down over time meaning that if you change your mind about a treatment the results are always reversible.
Within the body, HA has a rapid turnover and degrades with a half-life of 24 hours in vivo. To be considered as a cosmetic treatment, HA must be chemically modified to prevent decomposition. This process transforms HA from a liquid into a gel by crosslinking Hyaluronic Acid polymer chains to one another and allows the molecules to fill wrinkles and maintain shape for more longevity.
Hyaluronic Acid fillers often come in a range of viscosities to suit the areas they are used to treat. For example, REVOLAX Fine has a complex viscosity of 80, which is used to treat areas such as fine lines and wrinkles, this is considerably less than that of SUB-Q which has a complex viscosity of 280 and Is used for more noticeable augmentations.
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