[header] How to heal hypertrophic scars [title] Apply a silicone gel or mask. [step] Silicone gel masks are a common, effective treatment for hypertrophic scars. You can buy sheeting masks or gel over-the-counter at a drug store or online, or you can purchase it from your dermatologist. 
Carefully follow the instructions on the packaging, or those provided by your doctor. [substeps] To use the mask, apply it over your scar and make sure it stays in place.