Are there any harmful effects of hyaluronic acid on the skin?

Hyaluronic acid generally does not harm the skin, but it may cause adverse effects in individuals with sensitive skin or if improperly administered.

When added to skincare products as a moisturizing ingredient, hyaluronic acid helps lock moisture into the skin, improves elasticity and radiance, and reduces the appearance of fine lines and wrinkles. For most people, using skincare products containing hyaluronic acid is safe and beneficial. As a dermal filler, hyaluronic acid injections can soften wrinkles, tighten and brighten the skin, and act as a barrier against external irritants such as bacteria, dust, and UV radiation, thereby protecting the skin from damage.

If an allergic reaction occurs to components in hyaluronic acid, symptoms such as itching or hives may develop. When used for cosmetic injections, improper technique may lead to complications including vascular occlusion, infection, or uneven filling. Overuse of products containing high concentrations of hyaluronic acid may compromise the skin's natural barrier function, increasing skin sensitivity.

Prior to using hyaluronic acid, it is advisable to perform a patch test to ensure no allergic reaction to its components. Choosing a reputable medical facility and a qualified physician for hyaluronic acid injections can minimize the risk of procedural errors. Understanding your skin type and overall health condition before using any hyaluronic acid-containing product, and consulting professionals when necessary, is key to ensuring safe and effective use.