People don’t also only cover their scars with tattoos. There are cases of stretch marks covering using tattoos. So far, tattooing has proven effective in reducing or covering the visibility and effects of scars and stretch marks. Unfortunately, not every scar or stretch mark can be covered with a tattoo. Some tattoo artists refuse to tattoo scars if they determine the tattoo will make the scar worse. That is why scar-covering is a complex process, beyond simple artistic body decoration. It takes a lot of assessment and numerous factors to decide whether or not a scar or stretch marks are worth the risk of tattooing.