Mederma Advanced Scar Gel works nicely on reducing the overall appearance of scars, eliminating redness, and improving skin texture. It doesn't work on reducing the appearance of hypopigmentation, though.

How long does Mederma take to work?

Visibily Reduce Appearance of Scar

On older scars you may start using Mederma® immediately. Do not apply to broken skin. Generally, Mederma® Advanced users start to see noticeable improvement after about 4 weeks of daily usage, with optimum improvement in 8 weeks.

Is Mederma effective?

Mederma Advanced Scar Gel is one of the most popular and effective all-around treatments for a variety of scars. The Mederma website state that the cream is effective for both new and old scars from issues such as acne, surgeries, as well as burns and cuts.