Will being injured by a firecracker leave a scar?

Generally, whether an injury from a firecracker will leave a scar depends on the specific condition of the wound. The detailed analysis is as follows:

If the firecracker injury causes only minor abrasions to the epidermis, and the wound is shallow without damaging the dermis, the skin can heal naturally after proper cleaning and disinfection, and typically no scar will form. When cleaning the wound, rinse it with normal saline, then disinfect with iodophor, avoid contact with water to prevent infection, and allow the wound to naturally form and shed a scab.

However, if the injury results in a deep wound that reaches the dermis or even subcutaneous tissue, or if the wound becomes infected or repeatedly breaks open, fibrous tissue proliferation may occur during the healing process, making it highly likely that a scar will form. Such wounds require prompt medical attention. Do not forcibly peel off scabs, as this may worsen tissue damage.

During recovery, gently disinfect the wound daily with iodophor, keep the wound dry and well-ventilated, and wear loose, breathable clothing to reduce friction. After the scab naturally falls off, apply moisturizing products appropriately to hydrate the skin and promote epidermal repair. Avoid direct sun exposure to the healing area to minimize pigmentation and reduce the visibility of any potential scar.