Is it a matter of how deep the cut is? Because I have some shallow cuts from work that have left scars, and some pretty deep ones that left no trace once healed up. What’s the deal?!
In: Biology
Most cuts that reach the deep layer of skin (dermis) will cause scarring; it’s just a matter of how obvious they are when they heal. Scar tissue is a particular type of tissue (collagen fibers) that is different from the cells surrounding it and will typically be a whitish color.
If a scar is small, you may not notice it at all among the hair or against the skin surrounding it. If a scar is large or jagged, the collagen fibers will be more obvious. There are also some cases where the body will produce too much collagen in response to the damage, which results in lumpy scars called hypertrophic or keloid scars.
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