Opexa Gel Advanced Scar Treatment In Pakistan Opexa Gel is an advanced scar treatment gel designed to help fade scars, smooth skin texture, and reduce redness. It is commonly used for acne scars, surgery scars, burns, and injury marks. How to Use Clean and dry the affected area. Apply a thin layer of Opexa Gel to the scarred area twice daily. Gently massage until absorbed. For best results, use consistently for at least 8-12 weeks. Who Can Use It? 1 People with old or new scars (acne, surgery, injury, burns, stretch marks, etc.). 2 All skin types. 3 Safe for sensitive skin, but do a patch test before regular use.