Not every injury leaves a scar—sometimes skin heals flawlessly. It hinges on damage depth: superficial wounds often recover perfectly, while deeper ones form scars.
Epidermal damage, like abrasions or scrapes, typically heals without scarring. Scars emerge only when the dermis is involved. Here, healing replaces skin with collagen—your body's connective tissue—creating a scar rather than normal skin.
Read also: This is how you ensure that a wound heals as beautifully as possible
