In simple words, inkless scar revision, or ISR is a non-invasion body camouflage cosmetic method used to revise stretch marks and scars on your body. What is special about this process is that instead of artificial pigments, high-quality and skin-friendly healing serum and vitamins are injected skin. This serum targets cell turnover, rejuvenation, and reconstruction of Collagen elastic cells. cells! The serum is then tattooed into the scar, allowing the vitamins to work deep into the scar tissue.