How does GOOPGEN Advanced Scar Repair Serum works GOOPGEN100% Advanced Scar Repair Serum Made with allantoin and advanced scar Spray, our formula helps promote skin health, firmness, and elasticity to reduce the appearance of most types of scars, including surgical scars, burn scars, hypertrophic scars, and keloids. The silicone-based scar spray forms a breathable layer to increase the skin hydration, protect the scar tissue, normalize the collagen synthesis and balance the skin growth procedure,which can make your skin look smooth and even! Our GOOPGEN100% Advanced Scar Repair Serum helps flat and smooth scar texture in all skin types. We promise to remove the scars for as little as 4 weeks for new scars and for 4-8 weeks old scars! Our GOOPGEN 100% Advanced Scar Repair Serumhas the honor of being recommended by Dr. maryam. It's perfect for all skin types with scar textures including c-sections, post-surgery, tummy tucks, old scars, keloids, stretch marks, burn scars and more. The product contains no irritating ingredients and so has no side effects. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.