TORONTO--(BUSINESS WIRE)--Merz Pharma Canada today announced the availability of Mederma® Skin Care for Scars™ Gel and Mederma® Stretch Marks Therapy at retailers nationwide. Mederma® Scar Gel and Mederma® Stretch Marks Therapy are specially formulated with Cepalin®, a proprietary botanical extract derived from onions. Mederma® Scar Gel is the #1 doctor- and pharmacist-recommended brand for scars in the U.S. and is clinically proven to improve the appearance of scars caused by burns, injuries, acne or surgery. Dermatologist-tested Mederma® Stretch Marks Therapy is clinically proven to reduce the overall appearance of stretch marks by diminishing discoloration, improving texture and enhancing skin softness.