Merz Pharma claims Scar Gel and Stretch Marks Therapy are formulated with, a proprietary botanical extract derived from onions, Cepalin.
Mederma Scar Gel is an invisible, greaseless, topical gel that is pleasant-smelling, easy to use and clinically proven to improve scar softness, redness, texture and appearance.
In a clinical study, 77% of subjects noted moderate to significant improvement overall on scars treated with Mederma Scar Gel over untreated scars at week 10.
Mederma Stretch Marks Therapy is a patented formula that is a combination of ingredients, including Cepalin, hyaluronic acid and centella asiatica leaf extract.