As a distinguished figure in the realm of clean beauty and skincare, I can provide you with some insights on the side effects of hyaluronic acid and their duration. Hyaluronic acid is a naturally occurring substance in the body that plays a crucial role in maintaining hydration and elasticity in the skin.

When used topically or injected into the skin, hyaluronic acid is generally well-tolerated and has minimal side effects. However, some individuals may experience mild and temporary side effects, which typically resolve within a few days. These side effects may include redness, swelling, itching, or tenderness at the injection site.

In rare cases, more severe side effects such as infection or allergic reactions can occur. If you experience any unusual or persistent side effects, it is important to seek medical attention immediately.

It is worth noting that the duration of side effects can vary from person to person depending on factors such as individual skin sensitivity, the concentration of hyaluronic acid used, and the technique of application or injection. Generally, any mild side effects should subside within a few days.

If you are considering using hyaluronic acid or any other skincare ingredient, it is always advisable to consult with a dermatologist or skincare professional who can assess your specific needs and provide personalized recommendations.