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 ...

Allantoin 0.5%; gel; contains Cepalin, onion bulb extract, alcohol, methylparaben. Swelling, scar discoloration, severe itching; discontinue immediately if occurs.

Apply evenly and massage into scar once nightly. New scars: use for 8 weeks. Existing scars: use for 3–6 months. Swelling, scar discoloration, severe itching; discontinue immediately if occurs.

Strataderm, Mederma, and Biocorneum were the most common ... Biocorneum Advanced Scar Treatment is typically applied twice a day since it should have 24-hour contact with the scar area.