Hyaluronic acid is a sticky and slippery substance that the body produces naturally. It is especially found in the eyes, joints and skin. Hyaluronic acid is a remarkable substance due to all the benefits and uses it provides to the body.
The main benefits of hyaluronic acid are:
Hyaluronic acid is safe. Research shows that hyaluronic acid is safe to use. Reactions or adverse effects from hyaluronic acid are rare, and it is also safe for pregnant or breastfeeding women to use.
Soft tissue augmentation has become very popular in recent years. Hyaluronic acid-based dermal fillers are effective in repairing skin volume loss, filling fine lines and wrinkles, and adding folds and contours. Hyaluronic acid-based dermal fillers entered the nonsurgical treatment market in the late 1990s, but there is a lack of data and literature detailing how this relates to tissue performance. Determining the physico-chemical properties of these dermal fillers provides important parameters to predict their performance after injection into the body.
The human face ages as a product of complex microscopic and macroscopic volumetric changes. These changes are a result of resorption of bone structures, gravity, redistribution of subcutaneous fat, and skin damage. Dermal fillers are traditionally substances aimed at fulfilling certain curves, lines, dimensions and proportions to create an attractive face or to restore volumetric dimensions and therefore youth during aging. Facial rejuvenation using soft tissue biodegradable fillers is a cost-effective and relatively safe process compared to permanent surgical cosmetic procedures.
Today hyaluronic acid fillers are considered a medical tool, not a medicine, due to the absence of active pharmaceutical ingredients and pharmacological effect. Unlike medications, dermal fillers have no legal requirement for safety and effectiveness data and how they perform. However, in Europe, manufacturers are expected to prepare a certificate of conformity in accordance with the general safety and performance requirements of medical device regulations. This is mainly linked to production and risk assessment.
The US Food and Drug Administration (FDA) requests more detailed information regarding product safety and effectiveness. Therefore, greater care is being taken in approving the use of these products. Since hyaluronic acid fillers are not drugs, claims to this effect remain unfounded.
Understanding the physico-chemical properties of dermal fillers is important to make informed product selection. Hyaluronic acid fillers differ from each other due to different cross-linking technologies aimed at adjusting the mechanical properties according to the target tissue and the biological outcome after injection. During the injection process, gels are subjected to shear stress and vertical compressive forces, which cause the filler to deform. Dermal fillers under low stress are gel-like materials, but under increased shear stress they flow to different levels depending on their specific manufacturing conditions and composition.
given to businesses by our organization Among countless testing, measurement, analysis and evaluation studies, there are also hyaluronic acid filler testing services.
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