![]() Morphology of the hydrogels was investigated by optical microscopy and scanning electron microscopy methods. The hybrid HA-silica hydrogels were synthesized by the sol–gel method. In this paper, silica hydrogels are considered as a promising matrix for HA to improve its properties. The main disadvantages that limit its use are its low mechanical properties and its rapid biodegradation. In addition, HA is a crucial ingredient in the cosmetic products used to eliminate the unpleasant consequences of inflammatory skin diseases. Hyaluronic acid (HA) is chondroprotective and anti-inflammatory drug used clinically for treatment of inflammatory disorders (arthritis, skin diseases, bowel diseases, etc.). ![]()
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