Mederma recommends applying this treatment as soon as your wound closes and continue using it daily for at least eight weeks on new scars and three to six months on existing scars. You can apply ...

Apply evenly and massage into scar once nightly. New scars: use for 8 weeks. Existing scars: use for 3–6 months.

≥6 months: apply at least 3 times daily. New scars: use for 8 weeks. Existing scars: use for 3–6 months. Sunscreen use: apply 15 mins before sun exposure; reapply every 2hrs.